Drainage and water leakage are powerful, corrosion resistant, high and low temperature resistant, and can be applied to special areas.BMC trench cover is a common road covering leaking device in our life. It is widely used in pedestrian place, chemical plants, oil refineries, steel plants, paper mills, machinery plants, cement plants, municipal engineering, sewage treatment plants, Sanitation works, underground parking lots in office buildings, underground parking lots in shopping malls, etc.
