Licensed Projects: Inspection and testing services, Occupational health technical services, Safety assessment business。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Manufacturing of special equipment for environmental protection, Solid waste detection instrument manufacturing, Water conservancy related consulting services, Information technology consulting services, Engineering Management Services, Software Development, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Building materials sales, Sales of building decoration materials, Housing rental, Non-residential real estate rentals, Rental Services( No licensed rental services), electric wire、 Cable Operations, Fiber Optic Sales, Optical cable sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)