Tianjin Jingchengweiye Machinery Manufacturing Co., Ltd., established on September 1, 2008,  is headquartered in Haihe Science and Technology Park, Xianshuigu Town, Jinnan District, Tianjin. The company owns three production factories in Tianjin, located in Jinnan District and Binhai New Area respectively, covering an area of over 360 mu (approximately 24 hectares) with more than 200,000 ㎡ of factory facilities, and having a registered capital of RMB 120 million.

Our core businesses include: production and repair of pipe rolling mandrels, surface treatment for oil & gas drilling tools, bimetallic composite pipes, and premium connection for oil casing & tubing. With more than 600 employees, the company has obtained 36 patents and achieves an annual sales revenue of nearly RMB 400 million.

The company adheres to the quality policy of 'Technology-oriented, Quality First; Customer Satisfaction, Continuous Improvement'. It has passed the certifications of API Q1, 5LD, 5CT, 5B (American Petroleum Institute), as well as the standards of GB/T24001-2016/ISO14001:2015, GB/T45001-2020/ISO45001:2018 and GB/T19001-2016/ISO9001:2015. Our product quality has been widely recognized by customers.