Shanghai SK Petroleum & Chemical Equipment Corporation Ltd., together with its subsidiaries, engages in the research and development, and manufacture of petroleum and chemical equipment in China. The company offers mud logging units, chromatographs, sensors, special and drilling instruments, LWD’s, GMWD’s, and FMWD’s. It also provides well logging tools, oil instruments, well control equipment, wellhead equipment, and rubber seals. In addition, the company offers mud logging and well logging services, MWD services, and rental services.