Weigang Environmental Technology Holding Group Limited engages in the research, design, integration, and commissioning solid waste treatment systems primarily for hazardous waste incineration in the People's Republic of China. It operates through two segments, Solid Waste Treatment and Oilfield Auxiliary Services. The company also provides oil sludge thermal desorption treatment, pyrolysis treatment of solid waste, and cement plant parallel kiln co-treatment services. In addition, it offers oilfield auxiliary services, which include petroleum transportation, meter maintenance, oil pipe repair, and water treatment; and research and development of environmental protection technologies and facilities. The company was formerly known as WeiGang Environmental Protection Holdings Limited and changed its name to Weigang Environmental Technology Holding Group Limited in May 2017. The company was founded in 1998 and is headquartered in Guangzhou, China.