Liu brothers adjust the management system to clarify property rights.

Liu brothers adjust the management system to clarify property rights.

Chengdu Hope Electronics Research Institute was established and started the research and development of energy saving and transmission control, power electronics, HVAC technology and related electromechanical products.

Chengdu Hope Electronics Research Institute was established and started the research and development of energy saving and transmission control, power electronics, HVAC technology and related electromechanical products.