Tieling Zhongyou Machinery Equipment Manufacturing Co., Ltd. is a professional manufacturer of sucker rods and pumps. The company was founded in 1972. It mainly produces sucker rods, pumps, A1/A2 pressure vessels and B1/B pressure pipeline components. It has a history of nearly 49 years. In 1998, our company obtained the authorization of API11B and API 11ax monograms of American Petroleum Institute. It has advanced manufacturing and management experience. The company has carried out hundreds of technological transformations and scientific researches, 13 of which have filled the national gap. The transportation is convenient, close to 102 National Highway and National Expressway, 10 kilometers away from Tieling Railway Freight Station and 400 kilometers away from Dalian Port.