Xuchang State-run Insulation Material Company founded (formerly the Haerbin Insulation Material Plant independent from the Northeast Seventh Electrical Factory directly under the central government)
Xuchang State-run Insulation Material Research Institute founded (formerly the Haerbin Motor Plant independent from the Northeast Fourth Electrical Factory directly under the central government)
Xuchang Insulation Material Company changed to State-run Xuchang Insulation Material Company, and it is the national major insulation material manufacturing center ranked Fifth in this filed in mainland China.
After the company’s restruction in 1993, Xuchang Insulation Material Plant has become an incorporated company.
Xuchang Insulation Material Company declared bankruptcy.
Henan XJDG Insulating Material Co., Ltd has been founded in 2003, under the leadership of Mr. Zhang Honglei.
Henan Zhongtian Electrical Equipment Group founded under the leadership of Zhang Honglei
Henan Zhongtian Electrical Equipment Incorporated company founded under the leadership of Zhang Honglei