Jiangyin Penitrate Petroleum Drilling Equipment Manufacturing Co, is a collection of scientific research, development, production, marketing, services in one high-tech joint-stock private enterprise. Registered capital of 10, 580, 000 yuan, a total investment of more than 100 million yuan. Main products are ordinary drill collar, spiral drill collar, non-magnetic drill collar, heavy weight drill pipe. Company has obtained the American Petroleum Institute API certification (API Spec 7-1-0627) and the National Quality Management System Certification (ISO9001-2000), and established a perfect quality management system and scientific management system. We appreciate the cooperation of friends from all of the world.