Shanghai SK Petroleum & Chemical Equipment Corporation Ltd. and its subsidiaries research, develop, manufacture, and market oil equipment in China and internationally. The company provides mud logging, high-temperature measurement while drilling (MWD) / logging while drilling (LWD), wireline logging, digital logging, drilling well control, and wellhead oil recovery services, as well as petrochemical equipment including general-purpose, automatic sample preparation, fuel oil, aviation fuel, and lubricating oil and grease test solutions. It also offers oil drilling equipment, logging and drilling equipment and services, petroleum analyzers, logging instruments and services, and housing lease and property management services. Additionally, the company supplies instruments for geological and seismic exploration, earthquake-specific instruments, experimental and analytical instruments, instruments and meters, geological exploration services, engineering and technical services, technology development, consulting, exchange, transfer, and promotion, import and export of goods, leasing of non-residential real estate, and technical labor services. It exports its products to the Americas, the Middle East, Central Europe, Central Asia, South Asia, and Africa. Founded in 1993, the company is headquartered in Shanghai, China.