The Group has obtained Grade I qualification for professional contracting of environmental protection projects and Grade A qualification certificate for waste gas and wastewater treatment in design and construction of municipal energy conservation and environmental protection projects. With advanced core technology, strong R&D capability, professional technical team, high-quality after-sales service and management experience of many large and medium-sized environmental protection projects, it has served many well-known enterprise projects such as LG Chem, IKEA Environmental Protection, Schindler Elevator, SINOMATECH, AVIC Baosheng Cable and Ningbo Water Supply Limited Company, and won wide acclaim from the owners.