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.

Casio Computer Co., Ltd. engages in the manufacture and sale of watches and personal electronic equipment. It operates through the following segments: Consumer, Systems Equipment, and Others. The Consumer segment provides watches, clocks, electronic dictionaries, calculators, label printers, and electronic musical instruments. The Systems Equipment segment offers handy terminals, electronic cash registers, data projectors, and management support systems. The Others segment includes molds and molded parts. The company was founded by Tadao Kashio in April 1946 and is headquartered in Tokyo, 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.

Tanaka Kikinzoku Kogyo KK manufactures, sells, imports, and exports industrial metal products. Its products include platinum, gold, silver and others. The firm also does refining and recycling of precious metals. The company was founded in 1885 and is headquartered in Tokyo, Japan.

Hengshui Xinxing Musical Instrument Co., Ltd., established on 2001-08-13, Business scope includes general items:musical instrument manufacturing;musical instrument wholesale;musical instrument retail;luggage manufacturing;luggage sales;Manufacturing of plastic products;Sales of plastic products;Manufacturing of rubber products;Rubber Products Sales;Metal material manufacturing;Metal Material Sales;Import and export;Technology Import and Export.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Power generation business,Transmission business,for(match)Electric business.(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)

Roland Corp. engages in the manufacture, sale, import, and export of electronic musical instruments, equipment, and software. Its products include piano, organ, synthesizer, keyboard, guitar, drums, and amplifier. The company was founded by Ikutaro Kakehashi on April 18, 1972 and is headquartered in Hamamatsu, Japan.

Shanghai Jiuye Musical Instrument Technology Co., Ltd., established on 2017-07-05, Business scope includes licensed projects:Technology Import and Export;Import and export.(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;musical instrument manufacturing(Limited to branch operations);musical instrument wholesale;musical instrument retail;Musical instrument spare parts sales;musical instrument repair,debugging;Stationery equipment rental;Audio Equipment Sales;Home Appliance Sales;Wholesale of hardware products;Hardware retail;Sales of building materials;Sales of daily chemical products;General merchandise sales;Cosmetics Wholesale;Cosmetics Retail;Paper Products Sales;Stationery Wholesale;Stationery retail;Office Supplies Sales;Clothing and apparel wholesale;Clothing and apparel retail;Wholesale shoes and hats;Shoes and hats retail;Sales of clothing accessories;Sales of packaging materials and products;Animal Husbandry and Fishery Feed Sales;Pet Food and Supplies Wholesale;Pet food and supplies retail;Maternal and baby products sales;Wholesale of edible agricultural products;Retailing of Edible Agricultural Products.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Yamashin-Filter Corp. engages in the development, design, manufacture, and sale of filter products. It operates through the following segments: Construction Machinery Filter, Air Filter, and Health Care. The Construction Machinery Filter segment offers industrial filters, process filters, and filters for construction machinery. The Air Filter segment provides air filters. The Health Care segment handles the sale of masks and replacement inner sheets for masks. The company was founded on April 5, 1956 and is headquartered in Yokohama, Japan.

Hebei Yazhisheng Technology Co., Ltd., established on 2018-01-09, Business scope includes software development,Provide management for incubating enterprises or projects,Marketing Planning,scientific research information,Industry Supporting Services;Organize cultural and artistic exchange activities(without show);musical instrument technology development,Technical Services,Achievement transfer;Manufacture and sale of musical instruments,Musical instrument accessories,teaching instrument,Lighting and sound equipment,electronic product,stationery;Goods and technology import and export business(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

CEA is a French government-funded technological research organisation. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world. The CEA is the French Alternative Energies and Atomic Energy Commission (Commissariat à l'énergie atomique et aux énergies alternatives). It is a public body established in October 1945 by General de Gaulle. A leader in research, development and innovation, the CEA mission statement has two main objectives: To become the leading technological research organization in Europe and to ensure that the nuclear deterrent remains effective in the future. The CEA is active in four main areas: low-carbon energies, defense and security, information technologies and health technologies. In each of these fields, the CEA maintains a cross-disciplinary culture of engineers and researchers, building on the synergies between fundamental and technological research. The total CEA workforce consisted of 15 838 employees. Across the whole of the CEA (including both civilian and military research), there were 1556 PhD students and 293 post-docs. The CEA is based in ten research centers in France, each specializing in specific fields. The laboratories are located in the Paris region, the Rhône-Alpes, the Rhône valley, the Provence-Alpes-Côte d'Azur region, Aquitaine, Central France and Burgundy. The CEA benefits from the strong regional identities of these laboratories and the partnerships forged with other research centers, local authorities and universities.

Rovner Products, Inc. is a private company headquartered in the United States that manufactures consumer goods.

Tianjin Jinbao Musical Instrument Co., Ltd., established on 1998-09-03, Business scope includes Chinese and Western musical instruments,tribal instrument(Including minority musical instruments),sporting goods,Manufacturing of clothing, shoes and hats,Sales;Electroplating processing(Limited branch fine electroplating factory operation);Import and export of goods and technology;musical instrument,Technical development of mechanical products,technical consulting,technology transfer,Technical Services;General cargo;Educational Consulting Services;paper products,luggage manufacturing,Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

neo-plastic Dr. Doetsch Diespeck GmbH is a private company headquartered in Diespeck, Germany, that manufactures plastic products. It was founded in 1993. Hubertus von und zu Frankenstein and Patrick Freiherr von Twickel are the current co-CEOs of the firm.

Qingqing Zijin (Beijing) Education Technology Co., Ltd., established on 2016-06-17, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Computer System Services;Artificial intelligence basic software development;software development;Network and Information Security Software Development;Artificial intelligence application software development;Professional Design Services;graphic design;Manufacture of teaching models and teaching aids;Industrial Design Services;advertising;Advertising Design,acting;advertisement making;Organize cultural and artistic exchange activities;Conference and Exhibition Services.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:publication retail.(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)(Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Dongguan Subversive Product Design Co., Ltd., established on 2014-07-11, Business scope includes agency product design,graphic design,architectural design,logo design;Transfer of various design achievements.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)