GKD��GEBR. KUFFERATH AG is a German private company located in Dueren that operates in several countries and manufactures industrial mesh. The firm was founded in 1925. Stephan Kufferath-Kassner and Ingo Kufferath-Kassner are the current co-CEOs of the company.\nThe company says this about itself: GKD-Gebr. Kufferath AG was founded in D��ren in 1925. The company is still owned by its founding family today, with brothers Ingo and Stephan Kufferath the third generation to manage the corporation. For more than 90 years, the technical weaver has been a technological leader thanks to the continuous development of products, solutions and services on the basis of high-performance, application-specific mesh designs. The industry mix ranges from the automobile and aerospace industry, medical and environmental technology, raw materials and mining, the chemical, pharmaceutical, foodstuffs and textile industries and the wood and paper processing industries, right through to applications in architecture and design.

Filtrox AG engages in the production of liquid filtration systems. Its products include filter sheets, lenticular modules and housings, cartridges and filter cartridge housings, and filter aids. The company was founded by Hans Schmid in 1938 and is headquartered in St. Gallen, Switzerland.

Eastman Chemical Co. engages in the provision of specialty chemicals. It operates through the following segments: Advanced Material (AM), Additives and Functional Products (AFP), Chemical Intermediates (CI), and Fibers. The AM segment produces and markets its polymers, films, and plastics with differentiated performance properties for value-added end uses in transportation, consumables, building and construction, durable goods, and health and wellness markets. The AFP segment includes chemicals for products in the transportation, consumables, building and construction, animal nutrition, crop protection, energy, personal and home care, and other markets. The CI segment consists of large scale and vertical integration from the cellulose and acetyl, olefins, and alkylamines streams to support operating segments with advantaged cost positions. The Fibers segment offers cellulose acetate tow for use in filtration media, primarily cigarette filters. The company was founded by George Eastman in 1920 and is headquartered in Kingsport, TN.

Andritz Sprout-Bauer GmbH is a private company headquartered in Vienna, Austria, that manufactures equipment for the industrial process variables.

Beijing Qingruiyuan Environmental Protection Technology Development Co., Ltd., established on 2017-11-06, Business scope includes environmental technology development,technology transfer,technical consulting,Technical Services;Sales of machinery and equipment,ceramics,building materials,auto parts,Electrical Equipment,electronic product,computer,Software and Auxiliary Equipment;sewage treatment;Environmental governance;sell food.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Sale of food and 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.)

Toshiba Infrastructure & Solutions Corporation develops, manufactures, and markets social infrastructure business products, systems, and services. Toshiba Infrastructure Systems & Solutions Corporation was established on July 1, 2017 as a spin-off company of the social infrastructure domain of Toshiba Corporation The company is based in Kawasaki, Kanagawa, Japan.

Takano Co., Ltd. engages in the manufacture and sale of office furniture, springs, exterior products, electronics, and healthcare equipment. It operates through the following segments: Life-related Equipment, Test and Measurement Equipment, Industrial Equipment, Exterior, and Machines and Tools. The Life-related Equipment segment produces and sells chairs for offices, welfare institutes, and medical facilities. The Test and Measurement Equipment segment provides test and measurement equipment for liquid crystals. The Industrial Equipment segment offers electromagnetic actuators. The Exterior segment deals with flip-up gates, carports, patios, and awnings. The Machines and Tools segment handles the procurement and sale of machinery and tools. The company was founded by Tadayoshi Takano on July 1, 1941 and is headquartered in Kamiina, Japan.

Toshiba Corporation (株式会社東芝 Kabushiki-gaisha Tōshiba, English: /təˈʃiːbə, tɒ-, toʊ-/) is a Japanese multinational conglomerate headquartered in Tokyo, Japan. Its diversified products and services include information technology and communications equipment and systems, electronic components and materials, power systems, industrial and social infrastructure systems, consumer electronics, home appliances, medical equipment, office equipment, as well as lighting and logistics.

Hydrotechnik is a manufacturer of measuring instruments. They also develop, manufacture, and sell solutions for the workflow of professional measuring technology. They provide measuring instruments for hydraulics, measurement systems, measurement, pressure, flow, predictive maintenance, temperature, gauges, diagnostics, condition monitoring, industrial metrology, volume, sensors, software, oil condition, and force.

Paul GmbH & Co. KG, a subsidiary of Ruppel GmbH & Co. KG, is a German company located in Steinau an der Strasse. The firm manufactures screening machines. It was founded in 1953 by Hans Paul, Hans Arnold and Werner Seyfert. Peter W. Ruppel and Garvin Ruppel are the current co-CEOs of the firm. Paul GmbH & Co. KG was acquired by Ruppel GmbH & Co. KG on February 16, 2021.

PetroChina Jianghan Machinery Research Institute Co., Ltd., established on 2002-10-17, The business scope includes oil drilling equipment and tools,Petroleum special operation vehicles and other special operation vehicles,water treatment equipment,Research and development of environmental protection equipment and industrial control system devices,manufacture,Sales and Repair;Computer software and hardware development,Sales,Upgrade and Maintenance;computer peripherals,communication equipment,Instrumentation,Sales and maintenance of electronic products;Petroleum machinery product testing,test,identification,Evaluate;Coiled tubing blowout prevention system testing and recertification;Materials and Metal Finishes;Construction and operation of environmental protection projects;Technical consulting in the field of oil extraction technology,Technical Training,Technical Services and Technology Transfer;Petroleum Engineering Services;Manufacture and sales of rubber parts;Machinery equipment and special tool rental;Own house rental;Journal Publishing and Distribution;All kinds of domestic advertising design,make,acting,release;Self-operated and agent import and export business of various commodities and technologies(Does not contain goods and technologies prohibited or restricted by the state).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)##

China National Petroleum Corp. Drilling Research Institute (doing business as CNPC Drilling Research Institute) is a company headquartered in China ultimately controlled by the Government of China that produces, drills and supplies oil and gas products.

Herding GmbH Filtertechnik is a manufacturer of filter media, dedusting systems, and filter systems for industry. They grew into an internationally active full-service system supplier for the entire industry. The company's efforts revolve around dry separation, aerosol separation, and material recovery.

Southwest Aluminium (Group) Co., Ltd. is a company headquartered in Chongqing, China and ultimately controlled by the Government of China. The firm manufactures and supplies aluminium sheet products.

Haver & Boecker OHG manufactures industrial machinery. Its products include mixed media, packaging technology, filters and molded parts, screen printing mesh and fabric laminates. The company was founded by Carl Haver and Eduard Boecker in 1887 and is headquartered in Oelde, Germany.

Shanghai Wansen Water Treatment Co., Ltd., established on 1995-09-06, Business scope includes general items:Manufacture of special equipment for environmental protection(limited branch);Environmental protection special equipment sales;Research and development of high-efficiency and energy-saving technologies in the power industry;Research and development of unconventional water source utilization technology;Water Environment Pollution Prevention and Control Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Manufacturing of Specialty Chemical Products(Free of Hazardous Chemicals)(entrust),Specialty Chemicals Sales(Free of Hazardous Chemicals).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

RCEES is a Chinese research institute that focuses on eco-environmental science and technology.