Corrugated box culvert is a new type box culvert made of corrugated steel plate
READ MOREthe corrugated box culvert is the new type culvert, It is made of the corrugated plate and easy to assembled. They have the big cross section than the round one.
READ MOREwe are a corrugated steel pipe trading company, Leading supplier and manufacturer of the corrugated steel pipe, corrugated steel culvert,corrugated metal pipe in China.