CertainTeed is a leading North American manufacturer of building materials including roofing, vinyl siding, trim, fence, railing, decking, insulation, gypsum, and ceilings products. Headquartered in Malvern, Pennsylvania, CertainTeed has approximately 6,000 employees and 65 facilities throughout the United States and Canada. Through its Vision, Mission, Values and Objectives (VMVO) initiative, CertainTeed strives to be the preferred choice for innovative building products and systems by delivering a superior Customer experience to a broader market through the development of exceptional team performance and world-class processes. CertainTeed is a subsidiary of Saint-Gobain, one of the top 100 industrial companies in the world. Saint-Gobain employs approximately 15,000 people in North America and nearly 190,000 people in 64 countries world-wide. Saint-Gobain’s North American companies operate more than 100 manufacturing facilities in industries as diverse as industrial ceramics, reinforcements and flat glass, abrasives, and building materials.

Research Institute of Highway Ministry of Transport is a company headquartered in China ultimately controlled by the Government of China that provides road, bridge and traffic engineering services.

Beijing Sanju Green Technology Co. Ltd., part of Beijing Haixin Energy Technology Co., Ltd., is a company headquartered in China that engages in technology development.

Jiangsu Rongdao Composite Materials Industry Technology Research Institute Co., Ltd., established on 2020-09-08, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;High-performance fiber and composite material manufacturing;Sales of green composite materials for rail transit;Cement Products Manufacturing;Manufacturing of lightweight building materials;Manufacturing of thermal and acoustic insulation materials;Research and development of waste asphalt recycling technology(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Shanxi Transportation Technology R&D Co., Ltd., established on 2018-12-25, Business scope includes transportation industry scientific research,Technology development and technology promotion,technical consulting,Technical Services;construction project:Road construction,Traffic Safety Engineering;the highway,the bridge,tunnel,Urban rail and underground engineering inspection,Quality inspection of construction projects,monitor;Safety Evaluation of Geological Hazards,Monitoring and Early Warning and Governance Design;Security Advisory;Survey and Design Consulting;Highway engineering planning consultation;Preparation of engineering project proposal;Construction project feasibility study report preparation and evaluation consultation;Urban and rural planning;Computer Application System Software and Hardware Development;Intelligent mechanical equipment,Testing equipment,Information electromechanical products,Transportation Electronics,Technical development of lighting products,design,lease,Production,Sales;building materials,road material,Research and development of recycled materials,processing,Production,Sales;copy,binding,graphic design,Mapping;Motor vehicle inspection and testing;motor vehicle maintenance:Auto Repair and Decoration;Repair of construction machinery and equipment;Conference Services;Own house rental;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals);Specialty Chemicals Sales(Free of Hazardous Chemicals);non-edible salt processing;non-edible salt sales;road freight transport(Does not contain dangerous goods);Manufacture and sales of deicing agent.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Beijing Haixin Energy Technology Co., Ltd. engages in the research and development, production, and sale of energy purification products such as catalyst and purifying agent. The company was founded by Ke Lin, Jie Zhang and Dong Li on June 3, 1997 and is headquartered in Beijing, China.

Saint Gobain Abrasivos SA, a subsidiary of Compagnie de Saint-Gobain SA, is a Spanish company that manufactures and supplies abrasives.

Jiangsu Middle Road Engineering Technology Research Institute Co., Ltd., established on 2014-03-17, Business scope includes road,Research and development of bridge and tunnel engineering technology,design,Test detection,technical consulting,Technical Services,Technology Promotion;Research and development of engineering materials and equipment,Sales;Engineering Management Services;computer system integration;software development;Instrument R&D,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Jiangsu Changlu Intelligent Manufacturing Technology Co., Ltd., established on 2015-09-07, Business scope includes licensed projects:Various construction activities;road freight transport(Does not contain dangerous goods);Forest tree seed production and management(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;New material technology research and development;Contract Energy Management;Engineering and Technology Research and Experimental Development;Manufacturing of photovoltaic equipment and components;Photovoltaic equipment and components sales;Domestic trade agent;Energy saving management service;Manufacture of non-metallic mineral products;Sales of non-metallic minerals and products(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Shanghai Zhongqi Environmental Protection Technology Co., Ltd., established on 2005-12-22, Business scope includes licensed projects:Import and export;Urban Construction Waste Disposal(Clearance);road freight transport(Does not contain dangerous goods).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments) General project:Purchase of waste edible oils and fats for production;Production of biodiesel from waste cooking oil and other oils;Environmental friendly,Technical services in the field of biodiesel technology,technology development,technology transfer,technical consulting;software development;Technical consulting in the field of computer science and technology,Technical Services,technology development,technology transfer;Recycling of renewable resources(Does not contain solid waste,Hazardous Waste,Projects approved by relevant departments such as scrapped cars);blended biodiesel,blended diesel,synthetic diesel,Composite environmental biodiesel,Diesel for vehicles,light fuel oil,fuel oil(In addition to the above hazardous chemicals)wholesale,retail;Chemical raw materials and products(Removal of hazardous chemicals,Monitor Chemicals,civilian explosives,precursor chemicals),lubricant,Lubricant Wholesale,retail;Cleaning service;Oil depot storage;Environmental protection equipment manufacturing,processing,Install,repair;Daily life garbage collection,transportation(Territory range);Disposal of waste cooking oil;Food waste collection,transportation(Territory range);Municipal facilities management;Urban Greening Management;building cleaning service;Earthwork construction.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Yingna Green Carbon (Shanghai) Technology Co., Ltd., established on 2022-01-05, Business scope includes general items:Engage in technology development in the professional field of biomass energy technology,technology transfer,technical consulting;engaged in energy saving,Technology development in the professional field of environmental technology,technology transfer,technical consulting,Technical Services;Biomass Energy Technology Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Biomass briquette sales;Environmental protection special equipment sales;Research and development of high-efficiency and energy-saving technologies in the power industry(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).

China Power Construction Jijiao Expressway Investment and Development Co., Ltd., established on 2016-12-14, Business scope includes general items:Taihang Mountain Expressway(Xingtai Section,Handan section),Jinshi Expressway(Hebei-Tianjin Boundary to Baoshi Boundary Section),SGD Expressway(From Guocun to Jiaojiaopu)investment in its ancillary facilities,the construction,operate;Service area and ancillary facilities(Excluding hazardous chemicals)operation;;Advertising Design,acting;advertising;advertisement making;Non-residential real estate leases;rental service(Licensed rental services not included);Solar Power Technology Services;Electric Vehicle Charging Infrastructure Operations;Motor Vehicle Repair and Maintenance;General machinery and equipment installation services;Information system operation and maintenance services;General merchandise sales.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Highway Management and Maintenance;accommodation service;Catering Services;Forest tree seed production and management;food sales;publication retail;Tobacco retail;power transmission,powered by,Installation of power receiving facilities,Repair and Test.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

Shaanxi Expressway Mechanization Engineering Co., Ltd., established on 2002-08-02, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering technical service(planning management,survey,design,Except supervision);Engineering Management Services;Construction machinery and equipment rental;Business Management Consulting;Foreign contracted projects;Earthwork construction;Machinery and Equipment Leasing;New material technology research and development;Engineering and Technology Research and Experimental Development;Highway and Waterway Engineering Test and Inspection Service;Engineering cost consulting business;Research and development of construction waste recycling technology;Special equipment rental;General Cargo Warehousing Services(Does not contain hazardous chemicals and other items that require approval);Landscaping engineering construction;building block manufacturing;Manufacture of non-metallic mineral products;Manufacture of new building materials(Free of Hazardous Chemicals);Maintenance of transportation facilities;Non-residential real estate leases.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Construction Engineering Construction;Construction Engineering Construction(In addition to the construction and operation of nuclear power plants,Civil Airport Construction);construction professional work;Construction engineering design;Subgrade and pavement maintenance work;Construction Engineering Survey;Quality inspection of construction projects;building demolition work(Except for blasting operations);Highway Engineering Supervision;Highway Management and Maintenance;Construction labor subcontracting.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results)

Shandong Renhe New Material Technology Co., Ltd., established on 2018-01-09, Business scope includes new material technology research and development;Manufacturing of non-ferrous metal alloys;Non-ferrous metal rolling processing;Common non-ferrous metal smelting;Import and export;Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shanghai Yandao Industrial Co., Ltd., established on 2015-06-15, Business scope includes mineral products(In addition to exclusive control),Chemical Products(Removal of hazardous chemicals,Monitor Chemicals,firecrackers,civilian explosives,precursor chemicals),rubber products,Metal materials and products,Electronic equipment,Textile raw materials and products(In addition to cotton acquisition)promotion of,computer software development,upholstery,account Serive,Landscaping. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Shenzhen Hongfeng Technology Co., Ltd., established on 2016-11-04, Business scope includes general business items:e-commerce;Technology development and sales of electronic products;Intellectual property agency;Software and Information Technology Development;Domestic Trade;Operating import and export business(law,Administrative regulations,Except for items prohibited by the State Council,Restricted projects must obtain a license before operating).,The licensing program is:

Hunan Valin Xiangtan Iron & Steel Co., Ltd. operates a steel and iron manufacturing company. It offers plate, wireness and bar products. The firm also engages in the production of process equipment such as coking, sintering, ironmaking, steelmaking and rolling. The company was founded on July 1, 1958 and is headquartered in Hunan, China.

Harbin Gongyuan Technology (Liaoning) Co., Ltd., established on 2020-07-27, Business scope includes licensed projects:Various construction activities,The first type of value-added telecommunications services(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Engineering and Technology Research and Experimental Development,Sales of building materials,Retailing of computer software, hardware and auxiliary equipment,Rail transit construction machinery and parts sales,Sales of construction machinery,Wholesale of hardware products,Auto Parts Retail,Auto New Car Sales,Lubricant sales,Environmental Consulting Services,Construction machinery and equipment rental,Manufacture of special equipment for environmental protection,Air Pollution Control,Atmospheric Environmental Pollution Prevention and Control Services,water pollution control,Water Environment Pollution Prevention and Control Services,Soil Pollution Control and Restoration Services,Soil Environmental Pollution Prevention and Control Services,Resource recycling service technical consultation,Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion,Information Technology Consulting Services,Sales of special instruments and meters for environmental monitoring,Environmental protection special equipment sales,Environmental emergency management service,Engineering Management Services,business management(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)