Polyethylene storage tanks designed for safe storage of chemical substances, solvents, and raw material liquids in manufacturing industries. Features excellent chemical resistance with high tolerance to acids, alkalis, and organic solvents. Includes Class 4 hazardous material compliant products meeting fire service law standards, with capacity range from 100L to 10,000L. Available in vertical, horizontal, and rectangular shapes to suit installation conditions. Standard equipment includes liquid level gauge mounting seat, drain valve, and manhole. Optimal for raw material storage and temporary waste liquid storage in chemical plants, painting facilities, and plating factories. Lightweight and economical compared to stainless steel or FRP tanks with no corrosion concerns.