What are the well-known companies doing hazardous waste treatment in China?

Hazardous waste/solid waste/soil remediation: Dongjiang Environmental Protection, Everbright Green Environmental Protection, Greenmax (electronic waste recycling), Golden Circle (cement kiln co-disposal of hazardous waste), Gao Neng Environment (hazardous waste, soil remediation), Beijing Construction Engineering Group (soil remediation) and so on. Insert a sentence: in fact, many of the above companies have more than one segment of the business, environmental protection companies tend to develop horizontally to the industry, so the development or merger and acquisition of many other segments of the business. You can go to find the dangerous sinks network, there are many well-known enterprises to do environmental protection industry, as well as Veolia, Sander, Everbright International both water and solid waste, HANLAN environment in addition to gas business, high energy environment both water and solid waste (hazardous waste) and soil remediation, so my division is not necessarily very accurate.