Yamaha Corp. engages in the manufacture and sale of musical instruments, audio equipment and electronic components. It operates through the following segments: Musical Instruments, Audio Equipment, and Others. The Musical Instruments segment provides piano, strings, percussion, wind, and electronic musical instruments. The Audio Equipment segment offers audio products, professional audio equipment, and telecommunications equipment. The Others segment deals with the electronic parts, automobile interior parts, factory automation equipment, golf equipment, and resort businesses. The company was founded by Torakusu Yamaha in November 1887 and is headquartered in Hamamatsu, Japan.

Goertek Inc. was established in June 2001, and listed on the Shenzhen Stock Exchange in May, 2008. Goertek currently holds the largest market value among acoustic companies on the Shenzhen Stock Exchange. As a leading innovative Chinese high-tech company, Goertek’s main focuses consist of R&D, production and sales of electro-acoustic components, optical components, electronic accessories and related products. Goertek provides vertically integrated total solutions and services to globally-renowned companies such as: Samsung, Sony, Microsoft, Huawei and Xiaomi to name a few. Since Goertek's establishment in 2001, Goertek has high performance with a consistent and rapid growth rate. By the end of 2015 sales revenue had exceeded over 13.7 billion RMB (total assets 19.2 billion RMB). By market share, Goertek is a top ranked company in the miniature microphone manufacturing industry. Goertek is the top ranked company in ODM manufacturing for Bluetooth headsets, gaming accessories (including controllers) and mid-end and high-end VR products. By market share, Goertek ranks second in miniature speaker/receiver manufacturing. Goertek ranks third in smart band ODM manufacturing. Goertek has received the following prestigious awards: National Electronic Information Industry Business Model Award, Governor of Shandong Province Quality Award, Shandong Province Science and Technology Progress Award as well as others. As part of our integrated multi-technology product development strategy, Goertek has established long-term strategic partnerships with leading universities and research institutions, such as: Tsinghua University, Beihang University, Nanjing University, The Institute of Acoustics of the Chinese Academy of Sciences, Beijing University of Posts and Telecommunications, Shandong University and many others. Goertek is dedicated to basic and advanced research in the electro-acoustic technology field – constantly searching for innovative cutting-edge technologies for new product development. Goertek has established the Acoustics Laboratory of Communication with the Chinese Academy of Sciences, Joint Laboratory of Communications Technology with Beijing University of Posts and Telecommunications, Enterprise Technology Center in Shandong Province, Shandong Saving Sound Engineering Research Center, National and Local Joint Engineering Laboratory and other research organizations. Our transformation and innovation capabilities enable us to achieve so much more than many others in the broader acoustic/non-acoustic electronics production industry. This effectively advances vertical integration and incorporation of components, as well as android-based operating systems and acoustic algorithms into components (or finished products). Because of vertical integration all of the finished products we produce have some (or all) components manufactured in our precision factories. Thanks to incredibly fast production of automated machinery and rapid re-purposing strategies our company can quickly mass produce electronics. To remain ultra-competitive we've spent a good amount of money on R&D to develop some of the Smart Strategies that we've created to continue to be a four-runner in the Smart Era of acoustics (and overall electronics industry). These strategies are: Smart Wearables, Smart Entertainment, Smart Audio and Smart Home. Through offering very competitive as well as comprehensive compensation packages, Goertek is able to recruit and retain ideally talented individuals and teams. Goertek leadership is focused on using skillful and strategic forecasting methods to develop current-market needed technologies and methodologies that exceed client expectations. Fully fusing health, beauty and advanced technology through connecting people, nature, the world and future trends is how Goertek will become one of the world’s leading enterprises in the information industry. “We make it together.”

Taisei Corporation (大成建設株式会社 Taisei Kensetsu Kabushiki-gaisha) (TYO: 1801) is a Japanese corporation founded in 1873. Its main areas of business are building construction, civil engineering, and real estate development. Taisei's headquarters are located at Shinjuku Center Building in Nishi-Shinjuku, Shinjuku, Tokyo.

Takenaka Corp. provides general construction, contracting, and engineering services. It offers services across the spectrum of space creation from site location and planning to design and construction, as well as post completion services. The firm operates through the construction, development, and other segments. The company was founded in 1610 and is headquartered in Osaka, Japan.

Enpei Audio Equipment (Shanghai) Co., Ltd., established on 2003-07-24, The business scope includes the production of audio and electronic special equipment and related materials,Sell ​​self-produced products,Provide product after-sales service and technical consulting services. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Sekisui House, Ltd. engages in the construction, sale, purchase, and management of real estate properties. It operates through the following segments: Custom Detached Houses, Rental Housing, Architectural and Civil Engineering, Remodeling, Real Estate Management Fees, Houses for Sale, Condominiums, Urban Redevelopment, Overseas Business, and Others. The Custom Detached Houses segment specializes in the design, construction, and contracting of built-to-order detached houses. The Rental Housing segment deals with the design, construction, and contracting of rental housing for sale, medical and nursing care facilities for sale, and other buildings. The Architectural and Civil Engineering segment includes civil engineering design and construction work for rental housing and commercial buildings. The Remodeling segment consists of renovation work of residential properties. The Real Estate Management Fees segment covers real estate management, sublease, and brokerage operations. The Houses for Sale segment provides housing and residential land sales services. The Condominiums segment offers condominiums for sale in urban areas. The Urban Redevelopment segment develops office buildings and commercial facilities, and management and operation of owned properties. The Overseas Business segment offers overseas development and sale of residential lands, condominiums, and commercial facilities. The Others segment engages in exterior business. The company was founded on August 1, 1960 and is headquartered in Osaka, Japan.

Yamaha Corporation (ヤマハ株式会社 Yamaha Kabushiki Gaisha) (/ˈjæməˌhɑː/; [jamaha]) is a Japanese multinational corporation and conglomerate with a very wide range of products and services. It is one of the constituents of Nikkei 225 and is the world's largest piano manufacturing company. The former motorcycle division was established in 1955 as Yamaha Motor Co., Ltd., which started as an affiliated company but later became independent, although Yamaha Corporation is still a major shareholder.

Porsche AG is an automotive manufacturer. Its product portfolio of passenger cars includes the 911, the Taycan, the Macan, the Cayenne, the Panamera, and the 718 Boxster and Cayman. The company operates through the following segments: Automotive and Financial Services. The Automotive segment consists of operations in the manufacture and sale of vehicles and engines of all kinds, as well as parts and assemblies for such and other technical products. The Automotive segment also includes the performance of development and design activities in the areas of vehicle and engine construction, consulting in development and production in the area of vehicle and engine construction, consulting and development of data processing, as well as the creation and sale of data processing products, marketing of goods using the group’s trademark rights in particular, those with the component Porsche. The Financial Services segment consists of the group’s financing and leasing services for customers and dealers, as well as mobility offerings and other financial services. The firm also plays an active role in the sale of new and used Porsche vehicles, connecting prospective purchasers with authorized dealers through user-optimized IT system platforms known as Porsche Marketplace and Porsche One Sale and in many markets administering the Porsche approved pre-owned cars program. The company was founded by Ferdinand Porsche, Adolf Rosenberger and Anton Piëch on April 25, 1931 and is headquartered in Stuttgart, Germany.

EarSonics is a manufacturer of in-ear monitors and innovative hearing protection.

BOE Technology Group Co., Ltd. provides intelligent interface products and services for information interaction and human health as an Internet-of-Things company. It operates through three segments, namely Display Device and Sensor Device Business, Smart System Business, and Healthcare Service Business. Display Device and Sensor Device Business segment offers display, senor, and application solutions. Smart System Business segment provides intelligent manufacturing services, Internet-of-Things solutions, and a digital art Internet-of-Things platform. Healthcare Service Business segment offers a mobile healthcare Internet-of-Things platform and smart healthcare services. The company was founded on April 9, 1993 and is headquartered in Beijing, China.

Wuxi Jixing Auto Parts is mainly engaged in procurement and business order platforms, and is responsible for the planning of financial investment, human resources and information systems. With the continuous growth and growth of Jixing, the Group now has four modules: Operation Headquarters, Production Headquarters, Administrative Headquarters and Financial Headquarters for overall planning and operation. There are 1 research and development subsidiaries and 6 manufacturing (sub) subsidiaries.

NEC Platforms Ltd., part of NEC Corp., is a company headquartered in Japan that develops, manufactures and sells system solutions for ICT system equipment.

Abelon Intelligent Decoration Design (Beijing) Co., Ltd., established on 2009-04-28, Business scope includes engineering survey and design;Professional contractors;Construction Project Management;Production of acoustic barrier devices,Sound absorbing device,Sound insulation;graphic design,make;technical consulting;sale of building materials,furniture,household appliances,Wujinjiaodian,electronic product;Import and export,Technology Import and Export,Agent import and export.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,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.)

Guangzhou Liwei Electronics Co., Ltd., established on 2002-08-24, Business scope includes communication terminal equipment manufacturing;Manufacturing of electronic components and assemblies;Computer Parts Manufacturing;Computer Peripheral Manufacturing;Audio Equipment Manufacturing;Sales of products produced by the company(Except for projects prohibited by national laws and regulations;Products involving licensed operation need to obtain a license before they can be operated);Game software design and production;Research on Network Technology,to develop;Network information technology promotion service;software development;Digital Animation Production;software service;computer technology development,Technical Services;Animation and derivative product design services;Value-added telecommunications services(types of business<Value-added telecommunications business license>The stated content shall prevail)

Liaoning Sunflower Education Technology Co., Ltd., established on 2010-08-23, Business scope includes licensed projects:Radio and television program production and management,Import and export,Technology Import and Export,Residential interior decoration,Building Intelligent System Design,Various construction activities(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,Educational Consulting Services(Education and training activities that do not include licensing approval),Network technology service,Retailing of computer software, hardware and auxiliary equipment,Manufacturing of computer software, hardware and peripheral equipment,Virtual reality equipment manufacturing,Big data service,Software outsourcing service,Artificial intelligence application software development,software development,Conference and Exhibition Services,Artificial intelligence industry application system integration service,Camera and Video Production Services,Information system integration service,electronic,Mechanical equipment maintenance(No special equipment),Communication equipment sales,Network Equipment Sales,Manufacturing of special equipment for teaching,Teaching equipment sales,Network equipment manufacturing,Advertising Design,acting,Organize cultural and artistic exchange activities(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Suzhou Gold Mantis Construction & Decoration Co., Ltd. engages in the interior decoration industry. It focuses on full-industry-chain design and construction service on interior decoration, curtain wall, furniture, landscape, artwork, and mechanical and electrical equipment installation, Its business includes building, curtain wall, interior design, landscape, intelligent, furniture, cultural, artwork, refined, e-commerce, and asset. Its project includes star hotel, public building, office space, state guesthouse, housing, and others such as subway line, hospital, hub, and tourist resort. The company was founded on January 1,1993 and is headquartered in Suzhou, China.

Xiamen Jiada Environmental Protection Technology Co., Ltd. (formerly Xiamen Jiada Environmental Protection Construction Engineering Co., Ltd.) is a professional engaged in environmental acoustic technology research, architectural acoustic design, acoustic decoration and construction; Environmental acoustic enterprises engaged in the design and development, production, manufacturing and sales, construction, installation and supply of noise control equipment. Xiamen Jiada Environmental Protection Technology Co., Ltd. is a member of the Council of China Environmental Protection Industry Association; Four projects were selected as national key environmental protection practical technology demonstration projects in 2015, 2016 and 2018, and three projects were selected as typical application cases in 2017 in the National Advanced Pollution Prevention Technology Catalog (solid waste treatment and disposal, environmental noise and vibration control fields). The business scope includes: 1. Noise and vibration control: elevator vibration and noise control, water pump room noise and vibration control, transformer vibration control, etc. 2. Design and construction of architectural acoustic engineering: reverberation and sound insulation treatment of stadiums and gymnasiums, acoustic treatment of high-efficient sound absorption and thermal insulation spraying of dance halls, and treatment of bar noise disturbance. 3. Enterprise noise and vibration control: large cooling tower noise control, equipment sound insulation cover design and manufacture, generator unit noise and vibration control, air compressor noise and vibration control, air conditioning unit vibration and fan noise control, exhaust fan noise control, brick making machine noise control, bag type dust removal equipment noise control, exhaust pipe noise nuisance control, mechanical equipment noise and vibration control. 4. Traffic noise control: production and installation of road sound barrier and community sound barrier. 5. Large air volume ventilation muffler, jet type muffler, silencing shutter, sound insulation doors and windows, vibration reduction pedestal, sound insulation platform, vibration reduction mortar, etc. 6. Sound insulation hood, mute detection room, equipment sound insulation room, noise elimination room, etc.

China Railway Design Group Co., Ltd., established on 1992-07-21, The scope of business includes undertaking surveys of foreign and domestic-funded projects,consult,Design and Supervise Projects;Equipment required for the above projects,Material export;Contracting and strength,scale,country with performance(territory)Foreign engineering projects;External dispatch of the department's survey,consult,Design and supervision labor personnel;In the country(territory)Hold various enterprises abroad;Manage the export business of the company's self-produced products and technologies and the machinery and equipment required by the company,spare parts,Import business of raw and auxiliary materials and technologies(Except for the goods and technologies that the state restricts the company to operate or prohibits the import and export of);Undertake domestic engineering survey,surveying and mapping,consult,design,supervision,EPC,Engineering pile detection and geological disaster prevention engineering construction projects;Consulting services related to the above business;Construction project bidding agency business;Railway Bridge Verification;Soil and Water Conservation Scheme Compilation and Environmental Impact Assessment of Construction Projects;Surveying instruments and drilling rig maintenance;Rental business of self-owned houses;Engineering Design of Public Security Technical Protection System,construction;General cargo;The following limited branch operations:stay(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Kujiale is an online information and design platform that offers information and reviews on businesses related to home decoration and furnishing. It was launched by Hang Chen and is operated from Hangzhou, China. Create 3D models, swap textures, and apply them in cutting-edge floor planning software. Visualize in 360-degree views, augmented reality, photo-realistic rendering, or virtual reality.

Daiken Corp. engages in the manufacture and sale of building materials and housing equipment. It operates through the following segments: Materials, Building Materials, Engineering, and Others. The Materials segment manufactures and sells wood interior building materials and housing equipment. The Building Materials segment handles the manufacture and sale of eco materials such as ceiling materials, insulation boards, base plates, hard boards, and table mats. The Engineering segment provides condominium interior construction, single-detach houses construction, and renovation and building stores interior works. The Others segment deals with real estate leasing business. The company was founded on September 26, 1945 and is headquartered in Osaka, Japan.