SHANDONG YONGLIJINGGONG PETROLEUM EQUIPMENT CO.,LTD.was established in 2008 with the registered capital RMB 62 million. It has been one of the largest scale and most species industries in the current domestic petroleum tubing and casing coupling industry. The products can cover all grade and thread in the range of API standard and the company is also engaged in research and development, production, sales and service of special thread and new material products.
Focus on technological innovation and product R & D
The company passed the ISO9001 quality management system certification in 2004 and the three system certification of "quality, environment, occupational health and safety management" in 2009