Electrical insulation material

Xujue electrical insulation material Ltd, Co., used to be the Northeast Electrical Industry Seventh Factory and Northeast Electrical Industry Fourth Factory which directly under the control of central government. In 1958, it moved to Xuchang, Henan Provice, where the state-run Xuchang Insulation Material Main Factory and Xuchang Insulation Material Research Institute were founded.

Insulation Material Research Institute were founded.