Aokai - Reducer

The company specialized in produce all kinds of Oil Pipe Connectors, strictly in accordance with American Petroleum Institute Standard API. The main products are 2-3/8″, 2-7/8″, 3-1/2″, 4-1/2″ EU & NU oil pipe connectors, 5-1/2″, 7″,9-5/8″casing coupling connectors, various spec oil pipe sections, adjustable joints and various machinery products. At home, the products are sold to major oil fields and oil pipe manufacturers.