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      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. 

      YongLiJingGong is located in Dongying city, Shandong province which is the petroleum equipment manufacturing base of China with the “Chinese Houston” reputation. The company is also in the center of Shengli Oil field that is the second largest oil field in China with perfect basic facilities and convenient transportation and communication.       

      The company has many professionals of petroleum tubing and casing coupling industry, which quality control engineers and production managers have over 15 years working experience. The factory covers an area of 40,000 square meters and owns 150 sets of pipe thread processing special equipment including 50 sets of precision CNC machine tools, standard raw material physical and chemical lab, complete inspection gauge and instrument and various measuring tools. Thus, the company can guarantee the good quality of products and best delivery time.   

      YongLiJingGong got the right to use API SPEC 5CT and API Q1 quality management system, the procession of production, inspection and service in the company has passed ISO9001:2008 QMS, ISO14001:2004 EMS, OHSAS18001:2007 OHSMS and CE certification. In addition, the company got the “CNPC material supplier” entry qualification.

      The main products-petroleum tubing and casing coupling, pup joint can be used by most customers from North America. The company can produce all API standard products. In addition, the company will communicate with customers to understand their requirements for drilling conditions, down hole geological conditions and pipe processing factory cost budget, then the company will be in accordance with customization of materials and types to produce special thread coupling for satisfying customer needs.

      After delivering the products to the customer, the company will track usage timely and take advice to improve the quality of products. Moreover, YongLiJingGong has purchased the quality of products liability insurance which covers all over the world to provide the best guarantee for the customer.

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