Chongqing Jinggong Machinery Co., Ltd. was established in 2009 and is the first enterprise in Southwest China specializing in the research and development, manufacturing, sales, training, leasing, foundation construction, and technical maintenance of pile machinery. It is a member unit of the Pile Machinery Branch of the China Construction Machinery Association and the Pile Machinery Branch of the China Construction Machinery Society. In 2012, the company obtained more than 40 utility model patents, and in April 2013 it obtained 2 invention patents for rotary drilling rigs and their construction methods. The company's JGR intelligent hydraulic crawler rotary drilling rig series products have been tested by the China National Construction Machinery Quality Supervision and Inspection Center as high-quality products, won the honorary title of Chongqing High-Tech Product, and were approved as a major application development project of Chongqing in April 2014. The JGR series fully hydraulic crawler rotary drilling rigs feature good safety and stability, high torque, low failure rate, high efficiency, energy saving and consumption reduction, and convenient maintenance, and have won unanimous praise from users in construction projects in Sichuan, Chongqing, Guizhou, Guangdong, and Yunnan.