Производство спиральновитых труб из полимера

Производство спиральновитых труб из полимера Large diameters spiral winding drainage sewage pipe extruder machine line, Krah pipe machine, Socket and spigot molding machine, MPP electricity power cable pipe extruder machine, HDPE pipe extrusion line, PVC pipe extrusion line Manufacturer of large diameter plastic spiral winding drainage and sewage pipe extruder machine and krah pipe extruder machine. Focus on plastic drainage pipe machine production more than 10 years. Qingdao Beisu Machinery Co., Ltd Add: No. 8 Yijia road, 266329 Jiaozhou, Qingdao, China Contact: Ms. Zhang WhatsApp/WeChat/Mobile: 0086-13553089618