Kunming Steel Holding Co., Ltd. was founded in February 1939.Keep moving for more than 80 years, the sales revenue of Kunming Steel Holding has exceed 120 billion RMB in 2019. Kunming Steel always attaches great importance to innovation drive, and takes the lead in compiling the enterprise standard of 600MPa hot rolled ribbed anti-seismic steel bar in China; the production mode of "steel titanium combination" has produced the first volume of titanium strip in China, researched the homemade EB furnace with independent intellectual property rights, and undertaken the national key scientific research projects and the projects of the State Administration of science, technology and industry for national defense.

A total of 400kvar SFR-M intelligent capacitor power bank has been used in this project. The expected effect has been achieved.