We are TRIGOLD POWER Co., Ltd., established for power line products with more than 30 years experience. We have owned our manufacturing plants to produce most of the materials for transmission line and substation.We have full quality assurance system and ISO 9001 certificate to ensure our products quality and to meet the relevant standard. We could supply the products in accordance with IEC, ANSI, ASTM, AS, BS, DIN or ISO standard.