Tangshan High Voltage Porcelain Insulator Co., Ltd. was established in 1952. As a subsidiary company of Beijing Building Materials Group which is one of Chinas top 500 companies. Tangshan High Voltage Porcelain Insulator Co., Ltd. is a professional manufacture for design, development and production of porcelain insulator for substation and transmission lines and is the main post insulator supplier in China. Its annual output is 300 million Yuan and the registered trademark is TD Brand.
The Main products include AC and DC 10kV-1100kV solid-core post porcelain insulator, the annual output of 110kV and above is more than 180,000 pieces, and the insulator output and market share have been always front rank in the post insulator industry in China for many years.