Ningbo Chunli Solid Waste Technology Co., Ltd., established on 2017-12-28, Business scope includes industrial waste,Slag,sludge,dust,Technical Research on the Resource Utilization of Solid Hazardous Waste,technical consulting,Technical Services,technology transfer.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yunnan Tianhao Rare and Precious Metals Co., Ltd., established on 2001-12-18, Business scope includes lead,zinc,germanium,Indium production,processing,Sales;High Purity Metal Zinc Powder,High Purity Zinc Oxide Powder,germanium,indium,Sales of other rare and precious metals;Import and export business of goods and technology(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Ningbo Chunheng Solid Waste Technology Co., Ltd., established on 2015-08-04, Business scope includes industrial waste,Technical Research on the Resource Utilization of Solid Hazardous Waste,technical consulting,Technical Services,technology transfer.

China Metallurgical Energy Conservation and Environmental Protection Co., Ltd., established on 1988-12-09, Business scope includes construction general contracting;Professional contractors;engineering design(The engineering design qualification certificate is valid until2022year02moon14day);water pollution control,Air Pollution Control,Noise Pollution Control,Solid waste pollution control;Investment;Environmental monitoring;Environmental Impact Assessment of Construction Projects;Sales of machinery and equipment,electronic product,building materials,Chemical Products(Does not contain dangerous chemicals and a class of precursor chemicals);Import and export;Technology development for environmental protection and energy saving,technical consulting,Technical Services,technology transfer.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Engineering design and projects subject to legal approval,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

European New Materials (Zhejiang) Co., Ltd., established on 2008-12-09, Business scope includes general items:water treatment chemicals,New materials for water treatment,equipment(Including equipment and spare parts),High performance hollow fiber nanofiltration membrane,ultrafiltration membrane,MBRMembrane and module device,Development of high-performance adsorption materials and equipment,Production,Sales and after-sales service and installation,repair,maintain;Development of water treatment application technology,Sales and after-sales service;Contract management services for water saving, energy saving, consumption reduction and emission reduction;Chemical raw material trade(Removal of hazardous chemicals and precursor chemicals);Electromechanical products and chemical materials(Removal of hazardous chemicals and precursor chemicals)import and export trade.(Except those involving special management measures for foreign investment access)(The above business scope involves special approval or license operation and operation after approval or with valid license)(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

Central Research Institute of Bldg & Construction Co., Ltd. is a company headquartered in Beijing, China and ultimately controlled by the Government of China, that develops construction and environmental technology.

Xuanwei Hongye Metal Technology Co., Ltd., established on 2019-07-08, Business scope includes metal materials,Rare and precious metals,Minerals(Does not include special approval items),Agricultural and sideline products(No Tobacco),building materials,chemical material(Does not contain dangerous goods)buy and sell;import and export trade;Non-ferrous metal smelting,Precious metal smelting,Manufacturing of non-ferrous metal alloys,Non-ferrous metal rolling processing;zinc,indium,Production and sales of germanium series products.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)