Jiangyin Penitrate Petroleum Drilling Equipment Manufacturing Co., Ltd was founded in 2006, registered with Changshou Town, Jiangyin City. It is an integration combining scientific research, development, production, marketing, and service; a private enterprise. Its registered capital amonts USD1.56 million, with a total investment of more than USD14.71 million. Its main business scope includes ordinary drill collar, spiral drill collar, non-magnetic drill collar, integral heavy weight drill pipe and kelleys, square and hexagonal kelleys, special for the production in oil and gas industry.