Press the inner diameter polyethylene (PE) double-wall corrugated pipe commonly have eleven kinds of specifications pe bellows price (Table 2). Table 2) using a rubber ring socket type connection and dual socket rubber ring connection. Xiong Wang Thai Plastic Products Factory is suitable for long-term temperature does not exceed 45 ℃ for underground drainage and communication with pe bellows wholesale casing can be used for industrial drainage, sewage. 4) Appearance: bubbles permitted inside the pipes, depression, and no obvious impurities ripple specifications. Both ends of the pipe should be smooth, with the vertical axis and located trough area. Pipe wall should be closely welded trough region, the phenomenon should not be disengaged. Pipe color should be uniform, the outer is black. Xiong Wang Thai Plastic Products Factory pe pe bellows bellows Liaoyuan standard _ _ provided by Xiong Xiong Wong Tai Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) strong, credible, in Baoding UPVC pipe industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Taihe Wang Xiong you hand into the brilliant, for a better future!