Jiangsu shenlida Machinery Manufacturing Co., Ltd. is a material supplier of China National Petroleum Corporation (CNPC), a member of the first-class network of Sinopec material and Equipment Corporation, a shortlisted company of CNPC drilling tools and trial production tools, and a member unit of material network of China National Offshore Oil Corporation. It is a specialized enterprise engaged in the development, production and operation of petroleum machinery. Workover Tong has won the famous brand of Jiangsu Province. It is a national high-tech enterprise, a patent advantage enterprise of …