RV Water & Waste Tanks

Our RV Water & Waste Tanks line features food-grade, Seamless HDPE Rotomolded RV Fresh Water Tanks and grey/black waste holding tanks engineered for campervans, motorhomes, and off-grid trailers. Built via one-piece rotational molding, each tank guarantees 100% leak-proof integrity, high impact strength, and corrosion resistance. As a direct manufacturer, Xiamen Mellow Rotomolding provides end-to-end OEM/ODM custom mold engineering, tailored thread outlets, and flexible B2B wholesale supply.

Food Grade Plastic RV Water Storage Tank
This rotomolded rv water tank is made with a thickened rotomolding one-piece process, featuring seamless leak-proof performance, impact resistance, and weather resistance, specially designed for RV and modified vehicle water supply. We support flexible customization of size, openings, and color, and offer factory-direct wholesale with flexible MOQ, providing a worry-free one-stop procurement experience.
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Rotomolded LLDPE Rectangular Storage Water Tank
This One‑Piece Rotomolded Tank Is Made Of High‑Performance LLDPE Material. It Features Seamless Leak‑Free Structure, Impact‑Proof And Chemical Resistance. Compact Rectangular Design Saves Installation Space. Large Threaded Top Port Supports Fast Liquid Filling. Widely Applied For Engineering Machinery, Cleaning Equipment And Agricultural Machinery As Cooling Water Tank, Detergent Tank And Chemical Storage Container. Custom Sizes Are Available For OEM Requirements.
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Seamless HDPE Rotomolded RV Fresh Water Tank
Designed to maximize under-chassis and cabinet space, this heavy duty rectangular rv water tank features impact-resistant walls and anti-UV durability to ensure safe off-grid drinking water storage. Supported by fast global dispatch and low MOQ wholesale options, we supply fully custom size modular rv water tanks with pre-threaded fitting positions tailored for seamless campervan and vehicle washing system integration.
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