Tieling Yida Petroleum Machinery Manufacture Co., Ltd. is located in Tieling City, Liaoning Province which is "the water city of North China", "the city of coal and electricity", and "the country of humor art". The corporate covers the area of 40000㎡, and the building area is 15000㎡, registered capital is 50.1million RMB, 326 staffs which 78 persons are technicians, and has 15 departments which contains Production Workshop, Research and Development Center, Testing Center etc. The corporate has National production license of Pumps and Rods, and 3 series products. The Rods include sucker rods, polished rods, hollow sucker rods, couplings and centralizer etc. Subsurface sucker rod pump series contain integral cylinder subsurface sucker rod pump、rod type subsurface sucker rod pump、long-plunger sand proof subsurface sucker rod pump、corrosion-resistant subsurface sucker rod pump etc. The casings and tubings include casing and tubing couplings, pony etc. Now the corporate wins 9 national patent certificates, "AAA grade credit Enterprise", "Good faith corporate of Liaoning province" and "Yida" is the famous trademark of Liaoning province. Tieling Yida Petroleum Machinery Manufacturing Co., Ltd. is the grade one net suppliers of CNPC, having got ISO9001, ISO014001, and API certification. The corporate cooperates with many famous oil fields and sets up offices in many cities of China. The products export to Indonesia, Syria, Canada, Russia, and Kazakhstan etc. We focus on faith, quality, brand, and customers, trying our best to make more contribution in petrol field. We faithfully invite domestic and foreign customers to cooperate with us.