20QT PP Injection Mold cooler box

Welcome to Ningbo Nelgreen Outdoor Products Co., Ltd,located in Yuyao, Ningbo, China. To meet diverse market demands, Nelgreen has established a highly specialized product matrix. Our camping and outdoor leisure cooler series, featuring the popular NL-140, NL-240, and NL-1000 models, are designed with ergonomic comfort handles and rugged all-terrain wheels, offering exceptional ice retention of up to 5-7 days for family camping, road trips, and beach parties. For marine and professional fishing enthusiasts, we offer the high-capacity 240QT wheeled rotomolded cooler, which is meticulously engineered with a precision-moldedl lid, integrated fish ruler, and UV-resistant LLDPE shell to withstand harsh saltwater environments.
On the industrial and commercial side, Nelgreen stands out in heavy-duty cold chain logistics. Our double-walled, high-density PU-insulated seafood storage tanks and fish transport boxes—spanning 480L, 630L, 800L, and our flagship 1000L (NL-1000) series—deliver industry-leading thermal efficiency, keeping fresh catch chilled and secured during long-distance transport.
Our core competitive advantage lies in our state-of-the-art R&D and advanced custom manufacturing capabilities,and rotomolding processing services. With a complete in-house tooling workshop and rotomolding equipment, we offer flexible one-stop OEM/ODM solutions. This ranges from rapid 3D prototyping and custom mold design to personalized logos, exclusive brand colors, and unique functional accessories. This allows us to fully support low MOQ for brand startups while maintaining high-volume production capacity for global supermarkets and wholesalers. Every product undergoes strict quality inspections to comply with BSCI ,ROHS and ISO 9001,SGS and Alibaba Factory Verification, ensuring toxic-free, food-safe, and highly durable applications. By combining 20 years of rotomolding expertise with a professional service model, Nelgreen is dedicated to elevating your brand’s competitiveness in the global market.