1 HDPE Silicon core pipe 40/33 2 ISO9001-2008 3 40/30mm 2000m/roll ... 2002, and is specialized in the production and operation of cable fittings, electrical fittings, overhead line pieces of iron and steel wire ... products, power lines iron, galvanized steel, plastic pipe design, production and cargo supply service. Our annual production capacity reaches 15,000 tons to provide ...