Company · Rongtai Electric Material 3 items

One-line positioning

Rongtai Electric Material is Rongtai (Zhejiang Rongtai Electric Material Co., Ltd.) was founded in 1998 and is headquartered in Jiaxing, Zhejiang. Listed on the Shanghai Stock Exchange (603119), it is a supplier of high-temperature mica insulation materials with revenue of RMB 1.376 billion in 2025, and it has entered the humanoid robot component market through acquisitions in precision transmission.

Key facts

The company listed on the main board of the Shanghai Stock Exchange in August 2023 and operates several plants in Zhejiang and Hunan. Revenue reached RMB 1.376 billion in 2025, up 21.24% year on year, with net profit attributable to shareholders of RMB 278 million, up 20.90%. Controlling shareholder and actual controller Ge Tairong holds a 32.52% stake.

Products & tech

The mica composites business spans thermal runaway protection insulators from cells and modules to complete battery systems, lightweight safety structural parts, and flame retardant insulation products for home appliances and cables. In robotics the company acquired a 51% stake in Shanghai Dizi Precision Machinery and took a minority stake in Jinli Transmission, building a precision transmission line that includes ball screws, planetary roller screws, automotive screws, electric cylinders and linear modules. It has also established Zhejiang Rongtai Intelligent Robot and Hainan Dizi Robot.

Market position

Rongtai is one of the leading players in the global mica products market and a national level specialised and sophisticated little giant enterprise, serving new energy vehicles, cables and home appliances. In 2025 its robot-related precision structural parts and products generated revenue of RMB 89.6745 million with a gross margin of 46.73%.