Chinese API sucker rod pump

Mechanical seating or cup seating sucker rod pump description

1. The pump barrel machined by using the high quality special purpose blank, the internal surface has the chrome-plating or the nickel phosphorus compound

plating superficial strengthening processing to achieve the good intensity, the rigidity, wear-resistance and anti-corrosion.

2. The valve ball and the valve seat made by using high-carbon chromium stainless or ceramics or tungsten carbide material to achieve longer life span.

· Zhongshi Group is the API certification enterprise for 15 years;

· ISO9001 quality management system;

· We provide on-site technical service,no matter when and where.