Science and Technology Bureau leadership accept and inspect "Langfang Downhole Motor Research and Development Center" project
Langfang Science and Technology Bureau leadership accept and inspect "Langfang Downhole Motor Research and Development Center" project,
Ms.Lihua Zhao, managing director and Mr. Yongqi Yin,deputy general manager led the Municipal Bureau of technology to showground the factory area

Yongqi Yin, deputy general manager explained the work principle to the leaders