Polyethylene (PE) material, anti-corrosion acid, forming a whole, specifications for 1-30 cubic meters. Modification of pure linear low density polyethylene (LLDPE) as a raw material, a unique rotational molding process as a whole. With no welding, no leakage, non-toxic, light weight, anti-aging, shock, corrosion resistance, long life and other advantages. Most energy storage and transport of inorganic acids, alkalis, salt solutions and some organic solvents, its corrosion resistance in fiberglass times, can partially replace stainless steel titanium, nickel, high quality alloy steel and other materials, products comply with the Dangerous Goods Transportation Regulations is safe and efficient corrosion-resistant equipment. This product complies with national health standards, alternative solution of food grade stainless steel container shipment. Plastic polyethylene vertical storage tank also features easy installation, small footprint, annular ribs increase rigidity strength and other characteristics, suitable for a variety of external harsh installation environment. Presented DN50 and below each tank fittings 2, free installation fittings. Product of aftermarket 7 days replacement (non-human and irresistible factors), five years of free maintenance. Sapp Plastic Industry offers free fitting service openings and equipped. Founding standard DN15 to DN100 can out of the water holes. If you need technical support pipe installation can call Sapp Plastic Industry Chen Zongyong