The Shouguang Kunlong oil supply of petroleum machinery parts, sucker rod pump, coupling 
 Supply preventing side wear collars, ordinary coupling, special pump, special sucker rod, Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd. was founded in 2000, is specialized in oilfield equipment products, research and development, manufacturing and supporting technical services modern joint-stock enterprise. The company is located in the beautiful and rich vegetables are Shouguang City, east of the World Kite Capital - Weifang City, west China's second largest oil field - Shengli Oilfield, located in northern China's most economically active Bohai economic circle. Kunlong company covers an area of ??423 acres, built to high standards of production workshop of 90,000 square meters, more than 20,000 years to manufacture a variety of pump and ancillary components, various sucker rod, polished rod more than 400 meters of annual manufacturing used to the production pump barrel, plunger, hollow rod, 60,000 tons of finished pipe couplings and other products. 

 In 2003, the company has achieved ISO9001: 2000 standard quality system certification, and in August of the same year was awarded the "National Industrial Products (pump) production license in 2004 to become a supplier of China National Petroleum Corporation (CNPC), 2007 April received the production license of national industrial products (sucker rod couplings) We produce pump, sucker rod coupling product is permitted to the American Petroleum Institute (API) logo use rights. 2010 is rated as high-tech enterprises in Shandong Province, China Chemical Industry Association awarded the key enterprises of Chinese petroleum equipment industry. 2010 launched a new project of the domestic first-class level of finish tube, pump, sucker rod products industry chain extension, better guarantee the quality requirements and cost advantages of related products. The company operates in the major oil fields in the country with offices and subsidiaries in Beijing, Daqing, Shengli, Xinjiang, Changqing, Yan'an, Tarim, some of the products are exported to the United States, India, Russia, the Middle East, Romania and other foreign markets. 

 The company's main business: 
 1, the production of various models of the entire barrel pump, rod pump, long plunger Sand Control Pump, long plunger injection and pump, hydraulic feedback pump, double valve anticorrosive pump inclined shaft pump, scale pump special pump series and their accessories; 
 , Production of D, H, K grade sucker rod pumping shiny rod, alloy the spray welding anticorrosive pumping shine rod horizontal wells dedicated sucker rod the solid screw pump drive rod, anti-off, anti-off the hollow screw pump drive rod, hollow sauce oil rod sucker rod series couplings; 
 3, production and oilfield water injection centrifugal atmospheric pressure booster pump series and accessories; 
 4, the production of multi-functional light rod seal device, sucker rod preventing side wear righting device, roller centralizers, polished rod clamp, oil casing collar SM grade sucker rod couplings and other drilling accessories; 
 5 specific well conditions for corrosion, partial wear, heavy oil, directional lever, the pump supporting technology service. 
 6, used in the production of the pump barrel and plunger, hollow rods, couplings, hydraulic cylinders, bearing products finish tube products. 

 Kunlong adhering to the "Heaven, Earth, and the company philosophy, follow the professional in order to win the trust of the heart that one can win tempted" business purpose, and actively