Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd. was founded in 2000, is specialized in oilfield equipment, product development, manufacturing and technical services supporting the modernization of joint-stock enterprises. Located in the beautiful vegetables are Shouguang, east World Kite Capital - Weifang, west China's second largest oil field - Shengli Oilfield, located in northern China's most economically dynamic of the Bohai economic circle. Kunlong company covers an area of ??423 acres, with high standard workshop 90,000 square meters, in manufacturing a variety of pump and auxiliary parts of more than 20,000 units, a variety of rod, rod more than 400 meters, was used for manufactured production pump pump barrel, piston, hollow rods, couplings and other products for finishing tube 6 million tons. 

 In 2003 the company has achieved ISO9001: 2000 standard quality system certification, and in August the same year was awarded the "National Industrial Products (pump) production license", 2004, as China National Petroleum Corporation, a supplier, 2007 April was awarded the "National Industrial Products (rod and coupling) production license", we produce the oil pump, rod and coupling products allowed the American Petroleum Institute API logo use rights. 2010, was named high-tech enterprise in Shandong Province, China Chemical Industry Association awarded the key enterprises in China oil equipment industry. 2010 launched a new level of finishing first class project management to achieve a pump, sucker rod products of chain extension, a related product to ensure better quality requirements and cost advantages. Business all over the country's major oil fields in China with Beijing, Daqing, Shengli, Xinjiang, Changqing, Yan'an, Tarim and other offices and subsidiaries, some products are exported to the United States, India, Russia, the Middle East, Romania and other foreign markets. 

 Company's main business: 
 1, the production of various models of the entire tube pump, rod pump, anti-sand pump plunger long, long plunger injection pump, hydraulic pump feedback, double-valve pump corrosion, Incline pump, scale and other special pump pump series and its accessories; 
 2, production of D, H, K-class rod, pumping shiny bar, shiny alloy rod pumping spray corrosion, special rod horizontal wells, anti-screw drive off a solid rod, hollow screw driver off the bar defense, series of hollow rod and coupling rod, etc.; 
 3, production of oil field water using centrifugal pressure, pressure injection pump series and accessories; 
 4, production of multi-rod seals, rod mill anti-migraine righting devices, roller centralizer, rod clamp, oil casing collar, SM grade sucker rod coupling and other drilling accessories; 
 5, for corrosion, partial wear, heavy oil wells and other special conditions to provide directional lever, pump supporting technical services. 
 6, for the production of pump pump barrel, piston, hollow rod, coupling, hydraulic cylinders, bearing the product finishing tube products.