In January 2019，The company has been upgraded to shenzhen huakong technology group co., LTD. With a brand-new look

In January 2019，HuaKong group to join the association of Chinese industrial energy saving and clean production

In December 2018，Huakong energy-saving equipment intelligent control system for software product certificate issued by the shenzhen software industry association

In October 2018，Huakong energy-saving protection device obtained iso9001:2015 quality management system certification/iso14001:2015 environmental management system certification

In August 2018，Two utility model patents were obtained for huakong energy-saving protection device: one kind of secondary side protection transformer and transformer system/one kind of conversion circuit transformer and transformer system

In July 2008，Huakong energy-saving protection device has passed the energy saving certification of the national intelligent power grid transmission and distribution equipment quality supervision center for the optimization of energy-saving equipment

In March 2008，Huakong energy-saving protection device has passed the inspection of more than ten items including safety and power saving rate by the national intelligent grid transmission and distribution equipment quality supervision and inspection center. All the tested items meet the requirements of inspection basis, and the power saving rate is up to 11.9%.

In February 2008，The intelligent control system of huakong energy-saving protection device of the company has obtained six software copyright certificates

In January 2018，Huakong energy-saving protection device has obtained the European Union (CE) certification

in May 2017，Shenzhen huakong energy technology co., LTD., the predecessor of huakong group, was established. With the core concept of "advocating green energy use and helping energy conservation and efficiency improvement", the company is committed to the research and development and production of energy-saving protection devices, and provides enterprises with tailored overall optimization schemes of energy-saving protection