Purchase Qty. Reference FOB Price
1-9 kg US$50.00
10-49 kg US$49.00
50+ kg US$48.00
Product Description
Carbide valve ball and valve seat for tubing pump parts made in china 1) Material:Tungsten carbide 2) Standard: API 11AX 3) API and ISO certified 4) Application Valve ball and valve seat is widely used in petroleum industry, especially for oil well pump, such as sucker rod pump. ...