ZYZJ Petroleum Equipment Co., Ltd. is a backbone enterprise manufacturing petroleum machinery products and covers in such service fields as drilling, work-over and production. Our company is a supplier of "3 chou" equipment (pumping units, sucker rods and sucker rod pumps) for SINOPEC and CNPC, and the member of China Petroleum Exportation Special Equipment Network. Our firm was founded in 1978, with 1060 employees. We are a high and new technology enterprise in Henan Province. In 1997, our ...