Puyang Zhongshi Group produce pump barrels with four kinds of surface finishing at present.
Chrome plating steel barrel
Nickel carbide composite coating steel barrel
Carburized steel barrel
Boriding steel barrel
The base material of pump barrel is usually AISI1045 carbon steel. We also produce corrosion resistant chrome plating alloy steel barrel.
Puyang Zhongshi Group is the specialized API 11AX certified manufacturer of downhole rod pump and pump parts. Pump barrels, plungers, valve ball & seats, seating nipples are the major components for rod pumps. We are exporting large quantity of these main parts every year.
Welcome your inquiries for whole downhole pumps and pump parts!
Contact Person: Mrs. Liza