Jiangsu Zhongshi Machinery Co., Ltd (formerly known as Nantong Zhongshi Machinery Co., Ltd) is located in Zhongtian industrial park, Rudong,Jiangsu Province. The company is merger of former Rudong Petroleum Drilling Machinery Factory and Nantong Zhongshi Machinery Co., Ltd. It' s a professional company engaged in researching, developing and manufacturing wellhead tools and equipment. And it's a first-class network member unit of Chinese oil drilling and extraction accessories, a member unit of China petrochemical material resources market as well as a member unit of China Petroleum & Petrochemical Equipment industry Association. The company owns modernized workshops, covering an area of more than 6000 square meters and it has more than 70 mechanical processing equipments and different kinds of testing equipments such as rockwell hardness tester, leeb hardness tester, magnetic particle flaw detector, ultrasonic flaw detector, metallographic extension apparatus, 1280 ton pressure testing machine controlled by PC. We have a highly qualified technical team, which can provide customers good and timely service.    

Our company is engaged in the research and development of drill pipe power tongs, casing power tongs, tubing power tongs and other wellhead tools. Our main products are as following: ZQ series drill pipe power tongs, TQ series casing power tongs, XQ series well servicing power tongs, YZB series hydraulic power units, YM(YXM) series hydraulic catheads, YJ series hydraulic winches, QJ series air winches and slips, elevators and dies etc., We can also accept orders of special requirements. All our products have passed ISO9001:2008 quality management system certificate and API 7K and API 8C certificate.

We adhere to customer first and integrity-based tenet and have gained customers' trust with advanced technical equipment, perfect inspection tools, reliable products, thoughtful after-sales service and continuous innovative techniques. We sincerely hope to cooperate and exchange technologies with new and old customers at home and abroad.