... of transmit electricity and transformer, telecommunication etc. The applicable standard is ASTM, ISO, BS, DIN, JISG.2.company introductionHebei Weichuang Electric Power ... , with more than 150 employees, primarily engaged in the ADSS, OPGW cable fittings, electrical fittings, non-standard fittings, communication products, power lines iron, galvanized steel, plastic pipe ...