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Ningbo Nelgreen Outdoor Products Co., Ltd.
Ningbo Nelgreen Outdoor Products Co., Ltd.
Ningbo Nelgreen Outdoor Products Co., Ltd. was established in May 2023 with a registered capital of 3.88 million yuan. Its subsidiaries include Yuyao Longyu Rubber Products Co., Ltd. and Yuyao Ziming Electronics Trading Co., Ltd., a sales center. As a famous China Ice Box Cooler Manufacturers and Portable Cooler Box Suppliers, located at No.6 Guantong Road, South District, Xiaocao'e Town Industrial Park, Yuyao City, Zhejiang Province, the company covers an area of 10,000 square meters and employs approximately 100 people. The company specializes in plastic mold design, production, and product processing, and is a leading provider of this industry-leading product. Our main products include various seafood coolers, ice buckets, vehicle coolers, roto-molded coolers, and other outdoor equipment and related parts. We also offer OEM and ODM services.
As a professional manufacturer of rotational molding outdoor products, the company takes independent research and development as its core, equipped with multiple shuttle rotational molding machines and polyurethane high-pressure foaming machines and other advanced equipment. The annual production capacity reaches 400,000 rotational molding products, with an annual output value exceeding 150 million yuan. Our main products include refrigerated boxes, vehicle-mounted refrigerated boxes, seafood refrigerated boxes, and various related parts and accessories, specifically designed for fishing, camping, hunting, and seafood transportation. We use imported food-grade LLDPE as raw materials, which are non-toxic, odorless, environmentally friendly, and safe, with stable performance. We have an independent research and development mold factory to support customized production. The inner layer of the insulation box is injected with PU foaming material, which has a strong heat insulation, heat preservation, and shock absorption effect, and the physical insulation performance reaches the industry-leading level. The product can maintain its insulation for 120 hours. It adopts a seamless one-piece molding process and has passed SGS and CE certifications, strictly adhering to FDA and EU standards. From raw material procurement to finished product delivery, the entire process is subject to quality control.
Our R&D team has over 15 years of rich experience in the field of rotational molding products and has applied for 6 product patents. The number of factory employees has exceeded 100. Strict management and quality control have enabled us to take the leading position in the industry. In addition, the experienced sales team can provide customers with a variety of solutions and high-quality services.
Our company's products are mainly targeted at the mid-to-high-end market. With the advantages of high quality and high cost performance, they are popular overseas, including the United States, Canada, Australia, Spain, Mexico, Japan, Southeast Asia and other countries, and have received high praise. Since its establishment, our company has always adhered to the development policy of "Quality builds brand, service wins future", and is committed to becoming the best manufacturer of insulated boxes at home and abroad. We sincerely welcome customers from home and abroad to visit and guide us!
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Versatile Applications: The Portable Cooler Box in Outdoor and Commercial Sectors
For the modern adventurer, the ability to manage provisions in the wild directly impacts the duration, safety, and enjoyment of their journey. A standard cooler requiring daily ice replenishment is inadequate for multi-day excursions deep into the backcountry or along remote overlanding routes. This performance gap is precisely what our products are designed to fill. When we developed our flagship line of roto-molded coolers, our primary objective was to achieve industry-leading ice retention, a goal accomplished through our advanced polyurethane high-pressure foaming process. This technique injects a thick, seamless layer of insulation into the walls and lid, creating a thermal barrier so effective that our products can maintain their internal temperature for up to 120 hours. This five-day performance liberates our users from the daily chore of finding ice, allowing for deeper immersion in the outdoor experience. Beyond insulation, our focus on practical realities is evident in the construction. The seamless one-piece molding process we employ creates a shell that is virtually indestructible, capable of withstanding being dropped or bounced in a vehicle without cracking. We equip these durable shells with features like heavy-duty, non-corrosive latches for a tight seal and integrated tie-down points for secure mounting. For our vehicle coolers, we have designed specific form factors that maximize space efficiency in SUVs and trucks. This holistic approach to design, combining thermal efficiency, physical durability, and user-centric features, is a core part of the product development philosophy at Ningbo Nelgreen Outdoor Products Co., Ltd.

Within the outdoor community, few groups place greater demands on a portable cooler box than anglers and hunters. For them, a cooler is a critical tool for preserving the value and safety of their hard-earned catch or harvest. The specific needs of these activities have driven us to develop specialized product lines that address every nuance of the sport. For the fishing enthusiast, our seafood coolers are engineered for the dual purpose of keeping bait alive and then preserving the caught fish. The superior insulation provided by our PU foaming is essential for rapidly chilling fish, the single most important step in maintaining its texture and flavor. We incorporate design elements based on direct feedback from professional guides, such as a molded-in fish ruler on the lid and a smooth, non-porous interior that is easy to clean and prevents the absorption of odors. For serious offshore fishing, our larger capacity models are built to handle the bulk of a full day’s catch. Our experience as a famous China Ice Box Cooler Manufacturers gives us unique insights into the global seafood supply chain, which we apply directly to our consumer-facing products. Similarly, for the hunting community, our hunting-specific coolers are built with extreme durability in mind. The roto-molded construction is impervious to rough terrain, and the exceptional ice retention allows a hunter to keep meat cool for several days. Our R&D team, leveraging over 15 years of experience and supported by our 6 product patents, continuously explores ways to optimize the internal cooling efficiency of our portable cooler boxes, ensuring our clients have a reliable tool to protect their harvest.

The portable cooler box also serves as the centerpiece of countless social gatherings, acting as the hub of a pre-game tailgate party, the anchor of a perfect day at the beach, and the refreshment station at a community sports event. In these settings, the cooler’s role shifts to a facilitator of fun and community. Our approach to designing coolers for this market segment focuses on capacity, portability, and social features. We offer a wide range of sizes, from personal coolers to massive 150-quart capacities. For these larger models, we have integrated features like heavy-duty, all-terrain wheels and retractable handles, making it easy for one person to transport a fully loaded portable cooler box across a parking lot or sandy beach. The durable construction ensures that our cooler can handle the boisterous atmosphere of a tailgate, functioning as a makeshift seat or table. We also pay attention to details that enhance the social experience, such as incorporating cup holders into the lid and ensuring the lid is sturdy enough to provide a stable surface for preparing food. Our sales team has gathered extensive feedback from our key markets in the United States and Canada, and this feedback has been instrumental in refining our designs. The result is a line of portable cooler boxes from Ningbo Nelgreen Outdoor Products Co., Ltd. that are not just highly effective at keeping things cold, but are also perfectly adapted to be the life of the party.

Beyond recreation, the portable cooler box plays a serious role in emergency preparedness. In the event of a power outage, a reliable cooler becomes the primary means of preserving perishable food. For families with members who require refrigerated medication, a high-performance portable cooler box is a medical necessity. The reliability of our products, which have passed stringent SGS and CE certifications, makes our coolers a trusted component of many families’ emergency kits. Our strict quality control, which governs the entire process from raw material procurement to finished product delivery, ensures that every cooler we produce will perform exactly as advertised. The 120-hour ice retention provides a significant buffer during extended power outages, potentially saving families hundreds of dollars in spoiled food and providing peace of mind. We use imported food-grade LLDPE not just for its safety, but for its proven thermal stability, a critical factor when the contents are temperature-sensitive medications. Our durable construction means that our portable cooler box can be stored for years and will be ready to perform flawlessly when an emergency strikes. In this context, our product from Ningbo Nelgreen Outdoor Products Co., Ltd. transcends its role as a consumer item and becomes a tool for resilience and self-sufficiency.

The modern food and beverage industry relies on a complex supply chain to deliver fresh, safe products, and the portable cooler box is a critical node in this chain. Our involvement in this sector is comprehensive, driven by our ability to provide products that meet the strictest food safety standards. For catering companies, our coolers provide the mobile refrigeration necessary to transport prepared foods safely, ensuring food is held at the correct temperature to prevent bacterial growth. Our adherence to FDA and EU standards is a prerequisite for our commercial clients who must comply with Hazard Analysis and Critical Control Points (HACCP) protocols. The non-toxic, odorless LLDPE we use is certified for direct food contact, and our seamless, easy-to-clean interiors prevent cross-contamination. The rise of meal-kit delivery services has created new demand, and we have leveraged our OEM and ODM services to partner with companies in this space, designing custom-sized coolers that optimize both thermal performance and logistics. Our independent research and development mold factory allows us to rapidly prototype and produce these custom solutions. At the other end of the spectrum, farmers’ markets and small-scale artisanal producers rely on our portable cooler box to bring fresh produce directly to consumers. In every application, our product serves as a guardian of quality and safety, a principle that guides Ningbo Nelgreen Outdoor Products Co., Ltd. in all our manufacturing endeavors.

Perhaps the most critical commercial application for a portable cooler box is in the life sciences and medical sectors. The “cold chain” is the temperature-controlled supply chain required to maintain the integrity of vaccines, blood products, diagnostic specimens, and biopharmaceuticals. A failure in this chain can render products useless and put lives at risk. We approach the manufacturing of coolers for this sector with the utmost gravity. The 120-hour insulation performance of our portable cooler box provides a crucial safety margin during transport. The stability of our PU foaming provides a consistent and predictable thermal environment essential for maintaining the viability of sensitive biological materials. Our use of imported food-grade LLDPE is driven by its material properties, which are thoroughly documented and validated for use in medical applications. The seamless one-piece molding process eliminates seams that could compromise the insulated environment. Our products’ certification by SGS and CE provides the third-party validation that medical and pharmaceutical companies require. We have supplied our portable cooler boxes to research laboratories for field sample collection and to pharmaceutical logistics companies for last-mile vaccine delivery. In each case, Ningbo Nelgreen Outdoor Products Co., Ltd. understands that our product is a critical component of a system that protects public health.

In demanding industrial environments like construction sites, mining operations, and oil rigs, worker safety and productivity are linked to proper hydration, especially in hot climates. Dehydration can lead to serious health issues and a sharp decline in productivity. A reliable source of cold water is a safety requirement. Our large-capacity roto-molded coolers are purpose-built for these harsh environments. The rotational molding process we use creates a shell that is incredibly tough, resistant to dents, cracks, and chemical exposure. The UV-stable LLDPE ensures the cooler will not degrade from constant sun exposure. The superior ice retention means that a single portable cooler box can provide cold water for an entire crew for a full workday. This reduces downtime and ensures that workers have continuous access to the hydration they need to stay safe and focused. Beyond hydration, our coolers are also used to transport temperature-sensitive tools and adhesives that must be kept within a specific temperature range. Our ability to offer OEM and ODM services allows us to work with industrial clients to create coolers with specific features, such as forklift pockets or custom internal dividers. In this way, our portable cooler box becomes an integrated tool that enhances the efficiency and safety of industrial operations, a testament to the versatile engineering at Ningbo Nelgreen Outdoor Products Co., Ltd.
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