spiral Corrugated pipe 1000 double wall polyethylene pressure 31.5 KN M3 pressure16KN M3 Corrugated pipe iran factory of corrugated p...
Double wall polyethylene pe pipe: Double wall corrugated pipe is used in sewerage system and drainage with internal diameter started fr...
Double wall corrugated polyethylene pipe: According to the design of double wall pipes they have high newton resistance. This type of pi...