We are specialized in research and development of petroleum
machinery, we are manufacturing and marketing with senior technical
staff for many years. The structure of our company is flexible so
that the process is responsive, high quality, prompt delivery,
perfect service.
The world's cutting-edge design (CAD / CAM, Pre / E computer-aided
design) and technology are used in manufacturing system.All process
of manufacturing is in line with API specification and industry
standards ...
Hebei Huayan Drill Equipment Co.,Ltd.