Jiangsu Shemar Electric Co.,Ltd engages in the research and development, production, and sale of power system substation composite external insulation, transmission and distribution lines, and rubber seals in China. It offers transmission line composite insulator cross arm and long-life line composite insulator; hollow composite insulator and gas insulated composite bushing, as well as explosion-proof transformer composite bushing, such as capacitor core, metal accessories, insulating pipe in oil, and transformer oil; and distribution network composite cross arm and composite external insulation components for distribution equipment. The company also engages in the technology development and transfer, technical consultation, and technical services in the fields of power equipment and mold technology; import and export of goods and technologies; and sale of rubber products, electrical equipment and spare parts, and mechanical molds. In addition, it provides hollow, pillars, line insulators and bushings, transmission towers and crossarms, transmission wires, dry-type insulated tubular busbars, cable accessories, substation structure brackets, gas-insulated pipeline busbars, pot insulators, insulator auxiliary sheds, and power transmission equipment and parts. The company was founded in 1996 and is based in Nantong, China. Jiangsu Shemar Electric Co.,Ltd is a subsidiary of Shanghai Shenma Electric Power Holdings Co., Ltd.