HDPE pipe: 1, light weight , strong and good toughness 2, keep warm and clean ,aseismatic 3, low tempreature resistant ZHUJI YONGLE PLUMBING WARE CO,.LTD supply all kinds of HDPE Pipe professional production of PE solid wall, drainage pipes, fittings, gas pipe, the specification dn20-630, the annual output of nearly 10,000 tons, quality assurance, price concessions, welcomed the new and old ...