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Lock & Lock

Lock & Lock Co., Ltd. is a South Korean multinational corporation founded on November 11, 1978, as Kukjin Retail Co., specializing in the manufacture and global distribution of airtight food storage containers, kitchenware, cookware, and innovative home and lifestyle products designed to promote healthier and more convenient living. Headquartered in Seoul, South Korea, the company has expanded from its origins in plastic food containers to a diverse portfolio that includes heat-resistant glassware, small kitchen appliances, outdoor products, and eco-friendly items such as eco-bags made from recycled polypropylene, with operations reaching consumers in over 120 countries through subsidiaries, e-commerce platforms, and major retailers like Target, Costco, and Amazon. Key milestones in its history include the completion of its first dedicated plant in , , in 2004; mergers and expansions into and starting in 2006, with factories in , (2007), and Vung Tau, Vietnam (2010–2012); the launch of its first overseas flagship stores in and in 2012; and recent initiatives like acquiring the small kitchen appliance brand Jenniferoom in 2020, publishing its inaugural Sustainability Report in 2022, and receiving the Red Dot Design Award in 2025 for innovative , reflecting a commitment to environmental responsibility and global resource circulation. Lock & Lock maintains a robust production network with six factories across , , and , producing over 7,000 items annually, and emphasizes people-centered design, technological innovation, and through campaigns like "Love for Our Planet," positioning itself as a leading lifestyle creator that contributes to societal well-being and environmental respect.

Company Overview

Founding and Headquarters

Lock & Lock traces its origins to November 1978, when it was established as Kukjin Retail Co., Ltd. in , , initially focusing on the of . Over the following decades, the company evolved from operations into the of products, particularly emphasizing innovative storage solutions. In 1987, it was renamed Hana Mart Co., Ltd., and in 1994 to Hanacobi Co., Ltd., before undergoing another significant change in June 2003, when it became LocknLock Co., Ltd., reflecting a strategic shift toward branded production of airtight containers that had gained prominence since their introduction in 1998. The company's headquarters are currently located in Jung-gu, , , at 20F, Grand Central A, Sejong-daero 14, 04527. This marks a relocation from previous facilities, completed in May 2022 to a modernized setup designed to support ongoing corporate operations.

Business Focus

Lock & Lock operates primarily in the manufacturing and retail of kitchen and household products, with a strong emphasis on airtight storage solutions and eco-friendly designs that promote sustainability and convenience in daily living. The company's core offerings center on innovative lifestyle items designed to enhance "kitchen-life culture," integrating people-centered technology to address consumer needs for freshness, safety, and environmental responsibility. The revenue model relies on a diversified mix of sales channels, including direct retail stores, online platforms such as the Korea Mall established in 2010, and extensive global distribution networks through exports and partnerships. This approach has solidified its market leadership, as evidenced by topping the Korea Brand Power Index in the airtight containers category for 18 consecutive years and in kitchen goods for 5 years as of 2021, driven by high and consumer loyalty. Positioned as a global lifestyle brand, Lock & Lock emphasizes innovation through design and technology while prioritizing sustainability initiatives like resource circulation under its "Love for Our Planet" campaign. The company maintains operations in over 120 countries, serving diverse markets with key product categories including food storage, cookware, tumblers, and small appliances, which collectively support its focus on building long-term consumer trust and environmental stewardship.

History

Establishment and Early Years

Lock & Lock traces its origins to November 11, 1978, when it was founded as Kukjin Retail Co. in , initially entering the household goods market through distribution activities. The company focused on retailing various consumer products, laying the groundwork for its future emphasis on and solutions. During the and , Kukjin Retail experienced steady growth by expanding its distribution network for household items, including , bathware, and children's goods. In , the company established Hana Mart Co. to streamline these operations, marking a pivotal step in consolidating its domestic presence. This period also saw the beginnings of product development in , transitioning from pure to incorporating capabilities as the firm sought to innovate within the competitive South market. By the late , this shift enabled the creation of proprietary solutions tailored to local consumer needs. Pre-2000, the company faced challenges in building in South Korea's plasticware sector, where established brands like dominated the airtight container niche. Despite this, Kukjin Retail pursued a of focused growth, overcoming competition through targeted distribution and early investments in design. A key milestone came in 1998 with the introduction of the signature four-sided locking mechanism for airtight seals on food containers, which revolutionized storage reliability and firmly established the brand's identity in the domestic market. This innovation propelled the company toward leadership in plastic food storage solutions.

Growth and International Expansion

Following its initial domestic establishment, Lock & Lock entered a phase of accelerated growth in the early , marked by strategic and to support expanding operations. In December 2002, the company launched the 'LocknLock Supporters' to foster and build through interactive platforms. This initiative complemented the company's shift toward a stronger emphasis on its core branded products, particularly airtight containers and . In June 2003, the company was renamed from Hana Mart Co., Ltd. to LocknLock Co., Ltd., signaling a dedicated focus on its flagship LocknLock brand and product innovation. This facilitated greater in . By June 2004, LocknLock completed construction of its Asan plant in , enhancing domestic production capacity for its growing lineup of storage solutions and accessories. The mid-2000s saw key mergers to diversify offerings and strengthen operational scale. In December 2006, LocknLock merged with B&B Co., Ltd., integrating complementary product lines to expand its portfolio beyond core containers into broader home goods. This was followed in August 2007 by a merger with Hanacobi Co., Ltd., further consolidating resources and expertise in consumer goods distribution. Concurrently, international expansion gained momentum, with the establishment of a in , , in September 2007, to tap into the vast Asian market. That October, the company completed its third manufacturing plant in , , bolstering regional supply chains for exports and local sales. By 2008, LocknLock extended its footprint into , opening its first flagship store in in April to directly engage consumers with branded experiences. In November, it established a in , facilitating distribution networks across the region. This momentum continued in July 2009 with the setup of a in , targeting emerging markets with high demand for affordable kitchen storage. The year represented a in early international diversification, with multiple entries into . In , LocknLock founded its HCM in , followed by the establishment of the Vung Tau production company in September to support localized manufacturing. That November, the company launched the Korea Mall on in , leveraging the platform to reach millions of online shoppers. Simultaneously, it established a in , marking its initial foray into the European market and laying groundwork for broader Western expansion. These steps from 2001 to transformed LocknLock from a primarily domestic player into a multinational entity with robust Asian presence and emerging global reach.

Recent Developments and Innovations

In 2011, LocknLock completed the construction of its heat-resistant glass plant in Vung Tau, , enhancing its regional manufacturing capabilities for glass-based products. This facility supported the company's growing demand for durable kitchenware in . By 2012, the company expanded its retail presence internationally, opening its first flagship store in in December and its inaugural direct sales store in in October, marking early steps in strategies in emerging markets. In 2019, LocknLock undertook a significant identity renewal in October to modernize its visual and messaging elements, aligning with evolving consumer lifestyles. Later that year, in December, it established global design centers in , , and to foster innovation in product development across regions. The year 2020 saw key product and portfolio advancements, including the September launch of the 'steam air fryer,' a innovative small combining and air functions for healthier cooking options. In October, LocknLock acquired Jenniferoom, a specialized small , to broaden its offerings in design-oriented home goods. Sustainability initiatives gained momentum in 2021, with the June introduction of an industry-first tote bag made from recycled polypropylene (PP), promoting resource circulation. In July, the company formed the 'Net-Zero Council' in partnership with CJ Logistics and Twosome Place to advance ESG management practices, and launched the 'Kitchen Puri' air purifier tailored for kitchen environments to improve indoor air quality. In 2022, LocknLock extended its corporate social responsibility efforts by providing relief goods to Ukraine war refugees in April, demonstrating global humanitarian commitment. The company published its inaugural ESG Sustainability Management Report in August, outlining progress in environmental and social governance. Additionally, it opened the Anseong Factory Outlet Shop in September as part of the "Love for Planet" resource recycling campaign, encouraging sustainable consumer habits. From 2023 to 2025, LocknLock maintained a strong emphasis on , publishing annual reports that detailed reductions in —such as an 18.4% drop in Scope 1 and 34.6% in Scope 2 compared to 2022 levels by 2024—and achieving ISCC PLUS certification for recycled materials, with a target of 50% content by 2025. The company also experienced digital sales growth through expansions, contributing to resilient performance amid market challenges, as noted in its 2023 financial reports. Recent milestones included winning the 2025 Design Award for cookware, the "PR of the Year 2025" in for marketing excellence, and hosting the Global Conference 2025 in to strengthen partnerships across 24 countries.

Products

Airtight Containers and Storage

Lock & Lock's flagship product line consists of airtight containers designed for , featuring a patented four-hinge locking that ensures an airtight and watertight through a durable . This mechanism, tested for up to 3 million uses, prevents leaks and maintains freshness by blocking air and moisture ingress. The containers are primarily constructed from BPA-free (), which is safe for , , and freezer use, promoting hygienic storage. The product categories include general solutions in rectangular and square shapes, optimized for everyday items like and meal prep, with stackable designs that maximize space efficiency in refrigerators and pantries. Specialized rice storage utilize glass or materials with steam-control lids featuring holes to manage and prevent sogginess in . For fermented foods, dedicated incorporate an air valve on the lid to vent excess gases, enhancing flavor development while containing odors and spills. Innovations in the line encompass eco-friendly options made from recycled PP in the ECO series, reducing environmental impact without compromising durability or seal integrity. Recent additions as of 2025 include the Fresh All Tritan containers, launched in with a sleek, durable Tritan material design that won the 2025 Red Dot Design Award, the Cube Glass containers introduced in October for enhanced visibility and stackability, and the Smart Keep series for prolonged food freshness. Sizes range from small single-serve portions around 12 ounces for individual snacks to large family-sized bulk containers up to 67 ounces, accommodating diverse household needs. Additional features like enhanced stackability and heat-resistant variants further support versatile applications in modern kitchens. This signature airtight container line has established Lock & Lock's market dominance, particularly in , where it has held the top position in the airtight for 22 consecutive years and ranks No. 1 in brand power according to the 2025 Korean Industry's Brand Power Index (K-BPI). The product's reliability has fostered high consumer loyalty in and contributed to the brand's global expansion into markets like and .

Kitchen Appliances and Accessories

Lock & Lock has diversified its product portfolio beyond storage solutions to include a of kitchen appliances and accessories designed to enhance everyday cooking, dining, and convenience. These items emphasize durability, safety, and user-friendly features, such as BPA-free materials and innovative s that promote healthier and portability. The company's cookware line features pots and pans crafted from premium materials like and specialized coatings to ensure safe, efficient cooking. For instance, the Mater IH Frypan utilizes a premium cast pan with enhanced coating for reduced oil usage while maintaining non-stick performance, and it is free of PFOA and PFOS for human-body-safe application. Similarly, the series offers pots with a stylish adapted for recipes, providing even heat distribution and aesthetic appeal for daily use. These products prioritize functionality and longevity, supporting versatile cooking needs in modern s. In beverageware, Lock & Lock offers tumblers and water bottles that cater to on-the-go hydration with advanced insulation technology. Insulated stainless steel models, such as the Metro Two Way Tumbler, feature double-wall vacuum construction, leakproof lids with hidden straps for easy carrying, and options for indoor or outdoor use, keeping beverages hot for up to 10 hours or cold for 28 hours. Plastic and insulated variants, like the Slim Fit Tumbler and Doublewall Coldcup Water Bottle, incorporate slim profiles for hand comfort and condensation resistance, ensuring freshness without compromising portability. These items are BPA-free and designed for seamless integration into daily routines. On-the-go items, particularly lunch boxes, extend the company's focus on practical meal solutions for work, school, or travel. The To-Go series includes divided, airtight containers like the 3-compartment lunch box and salad-specific models, which feature four-sided locking lids for secure transport of multiple items while preventing leaks or spills. These BPA-free designs support portion control and healthy eating habits, with microwave-safe options for reheating, making them ideal for maintaining meal freshness anywhere. Lock & Lock's small appliances complement cooking with health-oriented innovations, such as the Steam Airfryer, which employs active control to minimize loss and preserve nutrients during frying, enabling oil-reduced meals without sacrificing taste. The Puri targets environments specifically, addressing cooking odors and airborne particles through specialized filtration suited for food preparation areas. Through the acquisition of Jenniferoom, a specializing in design-focused small appliances and products, Lock & Lock has incorporated stylish, multifunctional devices that blend with practical utility, including the Mini Rice , cordless electric kettles, and compact toasters. Accessories round out the lineup with an emphasis on eco-materials and multifunctionality, including recycled bags for and that promote alongside convenience. Items like the Harvest Print offer durable, reusable alternatives with reinforced handles for carrying essentials, aligning with broader environmental goals through reduced plastic waste. This expansion reflects Lock & Lock's strategy to build a comprehensive that integrates appliances and accessories for holistic support, enhancing brand presence in daily home and on-the-go scenarios.

Operations

Manufacturing Facilities

Lock & Lock's primary manufacturing operations in South Korea are centered at the Asan plant in Asan-si, Chungcheongnam-do, which was completed in June 2004 and serves as the core facility for plastic production through injection molding processes. This site, spanning significant production capacity, handles the manufacturing of airtight containers and related plastic goods, supported by an automatic logistics center established in November 2011 to enhance efficiency in handling and distribution within the facility. The Asan plant, along with select Vietnam operations, holds ISO 9001 certification for its integrated processes in injection molding, glass production, and cookware assembly, ensuring quality standards across key product lines. Previously, the company operated a facility in Anseong, Gyeonggi-do, which included production lines but ceased manufacturing activities in late 2023 before being sold in 2024; an outlet shop associated with the site opened in 2022 to showcase products. Following the sale, domestic production has shifted to outsourcing while relying more on overseas facilities. In , Lock & Lock maintains its Suzhou plant as a key regional production base, completed in October 2007 with a total area of 95,000 square meters in the , Province. This third plant in the country focuses on manufacturing plastic and household products tailored for the domestic Chinese market and broader exports, utilizing advanced production techniques to meet local demand. The facility contributes to the company's overall output by leveraging in the region, with operations certified under environmental standards like ISO 14001 to support sustainable practices. Vietnam hosts Lock & Lock's most extensive overseas manufacturing , with four factories serving as a global production hub; these include the Dong Nai established in 2009 for injection-molded items and the Vung Tau facilities, comprising a founded in 2010, a heat-resistant completed in December 2011, and a cookware finished in 2012, all located in Ba Ria-Vung Tau Province. These sites a range of , , and cookware products for Southeast Asian and international markets. The Vietnam emphasize automated processes for precision in airtight sealing mechanisms, contributing to the company's total of five factories across its key regions as of 2025. Across its facilities, Lock & Lock employs advanced in production lines, particularly for the four-sided locking systems in airtight containers, enabling high-volume output that supports exports to over 100 countries. In 2023, the company's raw material consumption reached 11,523 tons, predominantly in (7,670 tons) and (1,124 tons), underscoring the scale of operations; updated figures for 2024 are available in the company's 2025 ESG report. Sustainability efforts integrate recycled materials into production, with facilities using chemically recycled (CR-PP) for airtight containers; the company aims for 50% CR-PP usage by 2025 and 100% by 2027 in exported products, backed by ISCC PLUS certification. Production sites also prioritize waste reduction through separation and of materials, aligning with the 4R principles (reduce, , recycle, recover) to minimize environmental impact.

Global Network and Distribution

Lock & Lock has established trading companies and subsidiaries in key markets to manage its international sales infrastructure. In , the company set up a trading entity in 2008, with an office in serving as a regional hub for countries including , the , , and . In , a was founded in 2009, supported by an office in and direct sales stores in cities such as , , and . Vietnam hosts trading operations established in in 2010, complemented by offices in , positioning it as a major sales and production base. In , a trading corporation opened in in 2010, facilitating access to over 14,000 sales channels across . Additional subsidiaries operate in countries like (entered 2004) and the (established 2016), expanding the network to seven countries overall. The company's retail presence includes flagship and direct sales stores in select markets, alongside robust integration. The first flagship store opened in in 2008, marking an early step in physical retail expansion. This was followed by the inaugural flagship store in in December 2012 and the first direct sales store in in October 2012. Online sales began through platforms like in around 2010, evolving into broader partnerships. Current retail channels encompass department stores, discount outlets, and online marketplaces such as , , in , and and Alibaba globally. Distribution efforts focus on exporting products to over 120 countries, with strategic partnerships enhancing reach in , malls, and retail networks. Emphasis is placed on , particularly ASEAN emerging markets, via the German hub, and regions like the and , where more than 1,300 retail channels operate across 20 countries. Key collaborations include MOUs with major retailers such as Thailand's CP Axtra and Malaysia's largest firm, bolstering B2B distribution in . In the U.S., products are distributed through partners like , , , and . This network draws from manufacturing facilities in , , and to support efficient logistics. For logistics, Lock & Lock integrates with partners like CJ Logistics to advance sustainability goals, including a 2021 consultative body for carbon-zero initiatives and plastics programs. These efforts align with broader net-zero objectives, leveraging CJ Logistics' expertise in reducing emissions across the .

Sustainability and Marketing

Environmental Initiatives

Lock & Lock established a comprehensive framework to guide its efforts, beginning with the publication of its inaugural ESG Sustainability Management Report in August 2022, which detailed activities and performance across its headquarters and domestic manufacturing sites in and . Subsequent reports include the 2024 ESG Report published in June 2024 (covering 2023) and the 2025 Sustainability Report, which reported direct (Scope 1) fell by 18.4% and indirect emissions (Scope 2) dropped by 34.6% in 2024 compared to 2022 levels. These reports mark the company's formal commitment to principles, emphasizing accountability toward the planet and society. In alignment with these goals, Lock & Lock launched the Net-Zero Council in July 2021, collaborating with CJ Logistics and A Twosome Place to proactively address carbon emissions and promote resource recycling initiatives. The company has shifted toward sustainable material use, notably introducing eco-bags made from recycled ()—the primary raw material for its airtight containers—in June 2021, an industry first that maximizes circulation. This initiative supports broader eco-friendly manufacturing practices, including partnerships for waste plastics into reusable products like pallets and benches. Additionally, Lock & Lock established global design centers in , , and in December 2019, which integrate sustainable into product development to foster environmentally conscious living solutions. The company aims for 50% recycled (CR-PP) content in products by 2025 and 100% by 2027, with installation approved at its Vung Tau plant in May 2024. Lock & Lock has set ambitious long-term goals, including achieving by 2050 through short-, mid-, and long-term climate response plans, such as reducing and adopting . The company emphasizes a approach in its kitchen products, planning to expand eco-friendly certified materials to minimize waste and enhance recyclability across its portfolio. These efforts are overseen by an ESG committee established under the in April 2024, ensuring ongoing integration of sustainability into operations.

Campaigns and Brand Strategies

Lock & Lock launched the "Love for Planet" campaign in September 2022 as a resource recycling initiative focused on collecting old plastic airtight containers from consumers to promote sustainability. The campaign operates through collection points at Lock & Lock stores in Seoul and surrounding areas, encouraging customers to return used containers in exchange for discounts on new products, such as a 35% off coupon for heat-resistant glass items. Partnerships with organizations like TerraCycle facilitate the upcycling of these materials into eco-friendly items, including regenerative plastic for daily goods, eco bags, and public benches installed along Jeju Island's Olle Trail, with over 4,000 kg (specifically 4,040 kg) collected and repurposed in 2023; the campaign continues as of 2025. To foster customer loyalty, Lock & Lock established the online community "LocknLock Supporters" in December 2002, serving as a platform for sharing content, recipes, and lifestyle tips related to the brand's products. This initiative has evolved into a key engagement tool, integrating commerce functions to deliver personalized recommendations and exclusive offers, enhancing long-term consumer relationships. In 2019, the company renewed its brand identity in October to position itself as a global lifestyle creator, emphasizing themes of health, convenience, and innovation in everyday living, which included updating visual elements and messaging to align with modern consumer culture. Marketing tactics include experiential through stores and outlets, designed as spaces offering , living, and outdoor goods to create immersive shopping experiences that highlight product durability and versatility. Digitally, the brand maintains a strong presence on platforms like in , leveraging for targeted promotions and sales in key Asian markets. Lock & Lock also capitalizes on awards, such as topping the Brand Power Index (K-BPI) in airtight containers for 19 consecutive years as of 2022 and kitchen goods for multiple years, along with recent recognitions like the 2025 Design Award, to reinforce credibility in and partnerships. These strategies have driven high consumer awareness in , where Lock & Lock consistently ranks first in brand power indices for its core categories, reflecting strong trust and . Globally, the company adapts campaigns to local contexts, such as tailoring product promotions and messaging to emphasize health and eco-friendliness in markets like and , supporting expansion into emerging regions while maintaining core brand values.

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