SHANGYU JIATONG ELECTRICAL INSTRUMENTS CO., LTD. Is specialized in power circuit, the power plant, the railroad electricity compound insulator, the epoxy tension stick, the vacuum circuit breaker, isolated xxxxx has developed to such an enterprise as own advanced production equipment and complete testing and detecting equipment, having Earnest study established the complete quality assurance system and quality management system strictly according to ISO9001, Request which all contributes Oneself business enterprise to guarantee the grade of production and process. Our company produces the insulator uses the international and domestic advanced technology. Produces of our company are very popular in the domestic market. The mainly product has the high pressure synthesizes insulator and different kinds of high-voltage switch epoxy glass fiber pulls crowds xxxxx