Shanghai SK Petroleum & Chemical Equipment Corp. Ltd. engages in the manufacture, research, and development of petroleum and chemical equipment. It operates business through research, development, manufacture and sale of petroleum drilling & extraction equipment and petroleum product analyzers. Its products include mud logging units, well control equipment, sensor, wellhead and charismas tree & equipment, rubber seal, well logging tools, wireless measurement while drilling (MWD) equipment, drilling instrument, oil instruments, measuring and inspection equipment, production logging equipment as well as drill bits and other related tools. The company was founded on July 15, 1993 and is headquartered in Shanghai, China.