Taiyi Environmental Technology (Shanghai) Co., Ltd., established on 2015-06-18, The scope of business includes engaging in technology development in the field of environmental science and technology,Technical Services,technical consulting,technology transfer,Wholesale of environmental protection equipment,import and export,commission agent(except auction)and related services. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Part of Aloys Wobben Stiftung, Wobben Properties GmbH is a company headquartered in Aurich, Germany, that provides real estate services. The firm was founded in 2005. Hans-Dieter Kettwig and Stefan Knottnerus-Meyer are the current co-CEOs of the company.

State Grid Economic and Technological Research Institute Co., Ltd., established on 2002-08-19, Business scope includes certification services;National Macroeconomic and Policy Research;Energy and power development strategic planning and system,Energy Prices and Finance,Accounting Policy Research and Consulting;Power Supply and Demand Analysis and Forecast,demand side management,Energy saving and environmental protection technology and policy research;Corporate Strategy,Management Research and Consulting;Grid planning and pre-project research and consulting;Power grid engineering survey,design,Supervision and General Contracting;Grid planning,Project feasibility study,Preliminary design review and post-evaluation;Grid project cost,Quota and planning design standards,normative research;Information consulting and information system development;translation service;Energy and power related software development;Development and domestic and foreign investment,finance,Cooperation and consultation with consulting and other institutions;Start international consulting and design business;publishing<power construction>periodicals(Published only by the editorial department of the company's in-house journals,Valid until2023year12moon31day);use<power construction>Journal Post Advertisement;Self-owned house leasing and property management;Research on Electric Power Economics and Technology;business management.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Certification services and items 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.)

State Grid Shandong Electric Power Company Economic and Technological Research Institute, established on 2012-04-25, The scope of business includes entrusted by the head office to handle power system related business;Power Engineering Design,supervision(Operate with qualifications);Power Technology Consulting Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

SGCC was founded on Dec. 29th, 2002 as a pilot state-owned corporation by the State Council. As a backbone state-owned enterprise that may affect national energy safety and economic lifelines, SGCC's core business is to build and operate power grids and provides secure and reliable power supply for the development of the society. With a registered capital of RMB 200 billion yuan and service area covering 26 provinces,autonomous regions and municipalities directly under the jurisdiction of the Central Government which equals to 88% of the national territory. SGCC carries out the president responsibility system. The president is the legal corporate representative of SGCC. By the end of 2005, SGCC accumulated a total asset of RMB1176.7 billion yuan with a debt-asset ratio of 61.96%, and possessed 195,899 km of 220kV and above transmission lines with a transforming capacity up to 616.64 GVA. SGCC has 1.502 million employees and serves 128 million customers. In 2005, SGCC sold electric power up to 1464.6 TWh and achieved an operation income of RMB 721.4 billion yuan with a net profit of RMB14.4 billion yuan profit & tax of RMB 60.4 billion yuan. SGCC was ranked the 40th in the Fortune Global 500 in 2005.

State Grid Sichuan Electric Power Company Economic and Technological Research Institute, established on 2010-08-20, Business scope includes general business items(The following scope does not include pre-licensed items,Post-licensing projects operate on the basis of licenses or approval documents):Unified planning of power grid;Power technical service and technical consultation.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Electric Power Engineering Consulting Group East China Electric Power Design Institute Co., Ltd., established on 1985-01-14, Business scope includes licensed projects:Construction engineering design;Construction Engineering Construction;Construction Engineering Survey;Construction Project Supervision;Special Equipment Design;Geological disaster control engineering survey;Geological disaster control engineering design;Engineering supervision of geological disaster control;Construction of geological disaster control engineering;Geological Hazard Risk Assessment;Mapping service;Inspection and testing service;Quality inspection of construction projects;document,Information and other printed matter printing;Occupational Health Technical Services;Safety Evaluation Business;Engineering cost consulting business;Import and export;Technology Import and Export;Import and export agency.(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:General contracting of housing construction and municipal infrastructure projects;Labor service(Does not include labor dispatch);Foreign contracted projects;Engineering Management Services;Investment Advisory,Industrial Investment,investment management;Planning and Design Management;Engineering technical service(planning management,survey,design,Except supervision);Geological disaster management service;Hydrological Services;marine services;Climate Feasibility Demonstration Consulting Services;Soil Pollution Control and Restoration Services;earthquake service;Environmental Consulting Services;Soil Erosion Prevention and Control Services;water pollution control;Water Environment Pollution Prevention and Control Services;Sewage Treatment and Its Reuse;Energy saving management service;Air Pollution Control;Solid Waste Treatment;Atmospheric Environmental Pollution Prevention and Control Services;Ecological Restoration and Ecological Protection Services;Noise and Vibration Control Services;sales agent;Purchasing agency service;Sales of mechanical and electrical equipment;Bidding agency service;Information Technology Consulting Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;software development;software sales;translation service;property management;Machinery and Equipment Leasing;car park service.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Jinan Runde Medical Engineering Co., Ltd, established on 2011-03-07, Business scope includes licensed projects:Production of Class II Medical Devices;Class III medical device business;Installation, modification and repair of special equipment;Residential interior decoration;Construction engineering design;Construction Engineering Construction;Electrical Installation Services;Building Intelligent System Design;Sewage Treatment and Its Reuse;construction professional work;Construction labor subcontracting;building demolition work(Except for blasting operations);Production of disinfection products for the prevention and control of infectious diseases;Production of sterile equipment.(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:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Sales of Class II Medical Devices;Indoor Air Pollution Control;Noise and Vibration Control Services;Disinfectant sales(Free of Hazardous Chemicals);Lighting Sales;paint sales(Free of Hazardous Chemicals);Information system integration service;software development;Refrigeration,Air Conditioning Equipment Sales;Door and window sales;Hardware retail;Sales of building waterproof membrane products;Sales of building decoration materials;Insulation Material Sales;electric wire,cable management;Anti-corrosion material sales;Sales of building materials;floor sales;Electrical Equipment Sales;General machinery and equipment installation services;Rubber Products Sales;Network Equipment Sales;New material technology research and development;Artificial intelligence industry application system integration service;Water Environment Pollution Prevention and Control Services.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Filtech is a manufacturer of air purifying systems. Their products include outdoor wall-mounted house fresh air systems, indoor suspended ceiling house air systems, dehumidification air systems, and indoor wall-mounted custom-made for small spaces.

Siemens AG is a technology company, which engages in the areas of automation and digitalization in the process and manufacturing industries, infrastructure for buildings and energy systems, mobility solutions for rail transport, and medical technology and digital healthcare services. It operates through the following segments: Digital Industries, Smart Infrastructure, Mobility, Siemens Healthineers, and Siemens Financial Services. The Digital Industries segment offers a product portfolio and system solutions for automation used in discrete and process industries. The Smart Infrastructure segment includes products, systems, solutions, services and software to support a transition from fossil to renewable energy sources. The Mobility segment combines all Siemens businesses in the area of passenger and freight transportation. The Siemens Healthineers segment develops, manufactures, and sells diagnostic and therapeutic products, and services to healthcare providers. The Siemens Financial Services segment focuses on financing solutions for Siemens’ customers as well as other companies in the form of debt and equity investments. The company was founded by Johann Georg Halske and Werner von Siemens on October 12, 1847 and is headquartered in Munich, Germany.

ESM Energie- und Schwingungstechnik Mitsch GmbH is a private company headquartered in Heppenheim, Germany, that provides engineering services. The firm was founded in 1996 by Franz Mitsch. Franz Mitsch and Julian Saur are the current co-CEOs of the company.

Shandong Jiekang Environmental Protection Technology Co., Ltd., established on 2015-06-01, The business scope includes indoor and outdoor air purification equipment and systems,Industrial dust and flue gas treatment equipment and systems,Design of Drinking Water Purification Equipment and System,research and development,Manufacturing and Installation;Sewage treatment project,Design and construction of natural water body protection projects;Research and Development of Comprehensive Utilization of Industrial Tail Gas Solid Waste.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Senvion S.A. (called REpower Systems SE until 2014) is a wind turbine manufacturer founded in 2001 in Germany, majority owned by the private equity firm, Centerbridge Partners since April 2015. It was under the ownership of Suzlon, an India wind turbine manufacturer, from 2007 to 2015.

Jiangsu Guangya Construction Group Co., Ltd., established on 2005-07-14, Business scope includes municipal engineering,construction work,Road construction,Water Resources and Hydropower Engineering,bridge engineering,Electronic Systems Engineering,Building Intelligent Engineering,Environmental Engineering,Building Curtain Wall Engineering,Wharf works,Road subgrade engineering,Landscaping and greening project,Fire facilities engineering,Mechanical and Electrical Engineering,Steel structure engineering,other civil engineering,Foundation and Foundation Engineering Construction,Engineering and installation of highway safety facilities;Building Deskew and Shift,Special lightning protection project,Airport track engineering,Lifting and hoisting of special equipment,Structural reinforcement construction;Construction mechanical and electrical installation engineering;Environmental protection project construction;soil remediation;Treatment and Ecological Restoration of Polluted Sediments in River Harbors;Manufacture and installation of prefabricated concrete components,Commercial concrete,segment,Pipe pile asphalt concrete production and sales;Equipment Leasing;Municipal Engineering Design Services;Housing Construction Engineering Design Services,Special design service for building intelligent system;Contract overseas municipal projects,Bridge engineering and domestic international bidding projects,Export of equipment and materials required for the above overseas projects,Dispatch labor personnel required for the implementation of the above-mentioned overseas projects(Except for labor dispatch business);Industrial Investment(Not allowed to engage in finance,Financial business,Except for those that need to obtain permission and record);Road Freight Operation(limit<road transport business license>Approved scope).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)