pipe coupling
Size:80mm-1600mm
Material:Stainless steel or Galvanized steel

Yuyao Dongfang ventilation Engineering Co., Ltd is specializedinproducing spiral pipe(Sprial ducts)andaccessories.(Beijing 2008 Olympic Games spiral pipe product supply).We have the most advanced companies Switzerland SPIROfull metals piral duct and accessories production lines Products are widely used in air-conditioning, airports, ship building, exhibition,Coliseum .,etd