德州海华石油机械有限公司
Dezhou Haihua Petroleum founded in 2012,As a high - tech firm integrating design, production, and service, it has a 6 - million - yuan registered capital, a 5,000 - square - meter factory, 40 employees, and an annual cylinder liner output of 25,000 units.
The company focuses on R & D of oil drilling pump hydraulic - end parts, holding many invention patents. Main products include valve boxes, cylinder liners, valve bodies and other components. These are supplied to domestic on - and off - shore oilfields and exported to regions like the US, Canada, Indonesia, Iran, and Saudi Arabia, winning industry - wide acclaim.
With a team of experienced technical professionals in mud - pump - parts production, it offers customers comprehensive, professional, and satisfying services.
Website：www.haihuapetro.com