Tangshan High Voltage Porcelain Insulator Co., Ltd.,  founded in 1952, is a large state-owned enterprise and a subsidiary of Beijing BBMG group, one of China's top 500 enterprises. Tangshan high voltage electric porcelain Co., Ltd. is a manufacturer of design, research and development and production of electric porcelain series products for power stations. It is one of the backbone enterprises in China's insulator arrester industry, with an annual output value of 300 million yuan and a registered trademark of "TD" brand.

The leading products of the company are 10kv-1100kv AC and DC rod-shaped post porcelain insulator, with an annual output of more than 200000 rod-shaped post porcelain insulators of 110kV and above. The output and market share of insulators have always been in the forefront of the same industry in China for many years.

The company covers an area of 147000 square meters and has a building area of 68000 square meters. It has a wet production line and four isostatic pressure dry production lines. The main equipment includes: 8 automatic gas drawer kilns with a total volume of 1329M ³； Adopting Japanese NGK gluing technology, 115 gluing machines are manufactured independently, forming a large-scale, high-efficiency and technologically advanced mechanized gluing production line in China, ensuring product accuracy control.

The company has strong technical force and can produce products according to IEC, is, TR and other standards; According to IEC standards and Chinese standards, the company has formulated more strict enterprise standards, and tested the products one by one, such as striking, flaw detection, four-way bending, torsion, shape and position tolerance, cold and heat cycle, to ensure the quality of the products. The ERP resource management system developed by the company in 2007 realizes the whole process tracking of product quality; On March 20, 2008, it passed the three in one certification of quality / environment / occupational health and safety management system.

The company is one of the UHV insulator manufacturers recognized by China's power grid. The existing UHV projects in China, such as "Xiangjiaba - Shanghai ± 800kV DC", "southeastern Shanxi - Nanyang - Jingmen 1000kV AC", "Jinping - Southern Jiangsu ± 800kV DC", "Northern Shanxi - Nanjing ± 800kV DC", "East Beijing - Shijiazhuang 1000kV AC", "Ximeng - Taizhou ± 800kV DC", have been operated by our company. In 2018, our company won the bid for the world's first flexible DC power grid project, "Zhangbei flexible DC project". This project meets the needs of renewable energy in Zhangbei region of China and new energy power transmission, and supports 100% clean energy power supply for the 2022 Beijing Winter Olympics.

Relying on excellent product quality and good corporate reputation, the company has served the construction of the Belt and Road, and has become the main supplier of China power grid, abb, Ge, Alstom, Siemens and other multinational companies. The company adheres to the enterprise spirit of "treating people with integrity and service first", abides by the business philosophy of "quality first", and is willing to be the cornerstone of the power grid.