High Strength Resin Plastic Kitchen Sewage Ditch Drainage Sewer Trench Plate Grid Rainwater Grate Rectangular Manhole Cover

This product anti-rat anti-slip anti-corrosion and acid-alkali. Scope of application: school playground, wet market, parking lot, municipal engineering and other drainage works. Product advantages: strong bearing, good toughness, anti-rat anti-slip. size 50020020mm 50030020mm. material: plastic. Item No. Ditch Cover. Function: Drainage. Compressive strength: exceeding people and passing cars. Scope of application: kitchen, bathroom, swimming pool, playground, court, community and other drainage ditch projects. This product anti-rat anti-slip anti-corrosion and acid-alkali. Scope of application: school playground, wet market, parking lot, municipal engineering and other drainage works. Product advantages: strong bearing, good toughness, anti-rat anti-slip. size 50020020mm 50030020mm. material: plastic. Item No. Ditch Cover. Function: Drainage. Compressive strength: exceeding people and passing cars. Scope of application: kitchen, bathroom, swimming pool, playground, court, commu