For more than 60 years, Hach Company has developed innovative solutions used to test the quality of water, liquids and air. Manufactured and distributed worldwide, Hach systems are designed to simplify analysis by offering sophisticated on-line instrumentation, accurate portable laboratory equipment, high-quality prepared reagents, complete easy-to-follow methods, and life-time technical support.

Yee Fong Chemical & Industrial Co. Ltd., a subsidiary of Chin-Yih Ho-Investment, is a company headquartered in Taipei, Taiwan, that manufactures and supplies chlorine alkali chemical products. It was founded in 1950. Chin Wen Chen is currently the CEO of the firm.

Chunhui Intelligence Control, specialized in researching, developing and manufacturing of the fluid control valves and control system, the products concern air conditioning parts, auto parts, oil dispenser parts and gas pressure regulating control device, etc. the mainstay products include: 4-way reversing valve, auto air-conditioner thermal expansion valve, two-(one) way thermal expansion valve, gas pressure regulating control system, proportional control valve for PC computer based fuel dispenser and auto ABS hydraulic pressure regulator, etc. partial products have been sold to North American, European countries and regions, furthermore, we have established a long-term partnership with the prestigious enterprises, such as Danaher, Panasonic and Honeywell, etc.

Shanghai Beiyu Analytical Instrument Co., Ltd., established on 2011-06-17, Business scope includes research and development of instruments and meters,Production,Sales,Maintenance of instruments and equipment,lease;computer software development,Sales and computer system integration,Carry out technology development in the field of instrumentation,technology transfer,technical consulting,Technical Services,Chemical reagent batch and zero,Purchasing agency(In addition to dangerous goods). [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Hainan Jinhai Pulp & Paper Industry Co. Ltd. is a Chinese company located in Haikou. The firm distributes paper pulp.

Jiangsu Leer Environmental Technology Co., Ltd., established on 2013-12-09, Business scope includes research and development of new materials;Research and development of desulfurization additives,Production,Sales;Chemical Products(Removal of hazardous chemicals)Sales;Research and development of environmental protection technology,transfer;Water treatment equipment and water treatment additives,Flotation equipment and flotation agents,Environmental protection equipment and accessories,Electrical Equipment,R&D of instrumentation,design,Production,Installation and technical service;Research and development of environmental pollution control technology,Technical Services;Garbage fly ash chelation solidification technology service;Harmless disposal engineering technical services;Environmental Protection Monitoring;Research and development of engine exhaust purifiers and accessories,Production,Sales,Install,Maintenance and related technical consulting services;computer software development,Sales and technical service;Environmental engineering construction,design;Engineering Consulting.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:road freight transport(Does not contain dangerous goods);Urban domestic waste operating 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:Manufacture of knitted or crocheted fabrics and articles thereof;Manufacture of technical textile products;Production of special labor protection products;Sales of special labor protection products;Production of Class I Medical Devices;Manufacture of nuclear and nuclear radiation measuring instruments;Digital Video Surveillance System Manufacturing;Security System Monitoring Services;Information Security Equipment Manufacturing;Manufacturing of electronic components;Security equipment manufacturing;Communication equipment manufacturing;Information system integration service;Optoelectronic Device Manufacturing;Optical Instrument Manufacturing;Eco-environmental material manufacturing;Business Management Consulting(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

PostCube offers fully automatic mail vending machine.

Sinopec Oilfield Service Corp. engages in the provision of integrated oil and gas engineering and technical services. Its business segments include geophysics, drilling engineering, logging, downhole special operations, and construction. Its segments cover the whole industry chain process including exploration, drilling, completion, oil and gas production, and oil and gas collection to abandoned wells. It offers services involving geophysics, drilling engineering, wells measuring, downhole special operations, construction, ocean engineering, and reservoir integrated services. The company was founded on December 31, 1993 and is headquartered in Beijing, China.

LAR Process Analysers AG, a subsidiary of Process Insights Holdings LLC, is a German company located in Berlin that operates as a measuring instruments supplier. The firm was founded in 1986 by Werner Arts.

Tianjin Photoelectric Huadian Technology Co., Ltd., established on 2012-12-20, Business scope includes energy saving,digital information,Opto-Mechatronics,Software Technology Development,consult,Serve,transfer;Building intelligent installation,engineering service;Light-emitting diode display device,lighting equipment,Computers and Peripherals,Optoelectronics,Monitoring application equipment,Optical accessories,Wholesale and retail of instruments and meters;Goods and technology import and export business;Video equipment rental;Computer Information System Integration Services;Limited to branch operations:Green facilities,Manufacture of ventilation equipment;Manufacturing of Optoelectronic Components;Optical Instrument Manufacturing(Except for measuring instruments);Industrial automation control system device manufacturing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Dongguan Chuangtuo Information Technology Co., Ltd., established on 2017-03-24, Business scope includes sales,to develop,Install:Computer hardware and software,Computer Technology Consulting and Services,Computer Information System Integration;research and development,production and marketing:Environmental online monitoring instrument,Green facilities;Environmental Engineering;Environmental technology consulting and services;Business Marketing Planning;Advertising Design,make,release.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shenzhen Jinghe Ecological Technology Co., Ltd., established on 2021-03-16, Business scope includes general business items:Computer hardware and software,Green facilities,Electrical Equipment,Technical development and sales of instruments and meters;computer system integration;Environmental technology development;Environmental engineering technical consultation and design;Invest in technology-based companies or other companies and projects(Specific projects will be reported separately);Invest in business(Specific projects will be reported separately);Domestic Trade(Does not contain franchise,Exclusive control,Monopoly);Operating import and export business.(All of the above are related to the law,Administrative regulations,Except for items prohibited by the State Council,Restricted projects must obtain a license before operating),The licensing program is:Environmental Monitoring Instruments,Production of environmental protection online monitoring system;Carbon emission governance,Monitoring and Consulting;Comprehensive carbon management,Monitoring and Consulting;Environmental engineering construction.

Shanghai Chemical Industry Zone Sino-French Water Development Co., Ltd., established on 2002-03-12, The scope of business includes providing users with wastewater treatment services,Supply and sales services of tap water and desalinated water and related products,and related technical advice. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

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.

Anhui Huamai Technology Development Co., Ltd., established on 1998-11-23, Business scope includes computer software and hardware,Internet product,communication products,Communication Products,electronic product,Various monitoring,R&D and design of testing instruments and equipment and products,Sales,acting;Digital Surveillance Technology,Sales of safety technology prevention facilities,design,Install,Maintenance and installation of mechanical and electrical equipment,repair,Technical Services;Intelligent Data Acquisition System,Intelligent sensor system product sales,technology R & D,technical consulting,Technical service and transfer;Network system integration technology service;Self-operated and agent import and export business of various commodities and technologies(Except for goods and technologies that are restricted by the state to operate or prohibited from being imported).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Part of Suzhou Electrical Apparatus Science Academy Co., Ltd., Suzhou Guohuan Environment Detection Co., Ltd. is a Chinese company located in Suzhou. The firm provides laboratory testing services. Suzhou Electrical Apparatus Science Academy Co., Ltd. acquired Suzhou Guohuan Environment Detection Co., Ltd. from Suzhou National Envmt. New & Hi-Tech Ind. Park Dev. Co. Ltd. on January 19, 2013 for $3.33 million.

Anhui Desi Energy Saving Technology Co., Ltd., established on 2016-09-22, Business scope includes energy-saving and environmental protection equipment,purifying facility,Photoelectric equipment,Intelligent control equipment,communication equipment,HVAC equipment,elevator equipment,boiler,Cooling Tower,water pump,Environmentally friendly building materials,Production of energy-saving products,research and development,Sales,maintain;Energy saving project engineering design,Construction and installation,consult,Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Jiangsu Bolke Environmental Protection Technology Co., Ltd., established on 2014-06-05, Business scope includes environmental pollution prevention and control equipment,air purification equipment,water treatment equipment,Garbage disposal equipment,Solid-liquid separation equipment,desulfurization,Technical Research on Denitrification and Dust Removal Equipment,to develop,manufacture,Install,Sales;General Machinery,Electrical Equipment,Instrumentation,FRP products,plastic products,Environmental filler,Pump,motor,valve,water treatment chemicals(Removal of hazardous chemicals)promotion of;Design of Environmental Engineering,construction;Operation and maintenance of environmental pollution prevention and control facilities;Construction of municipal public works;Operation and maintenance of environmental pollution prevention and control facilities;Construction of municipal public works;sewage pipe,sewer,Pipeline dredging service,plumbing,River and lake regulation service,confined space,pool(pumping station),Box culvert dredging service;Manufacture of complete sets of dredging and sludge treatment equipment,Sales and Leasing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Gold East Paper (Jiangsu) Co., Ltd. manufactures coated art paper products. Its products include C2S art paper, Nevia, Gloss, C2S art paper HSWO, white craft paper, digital paper, and embossed paper, glossy and matt coated and uncoated papers. The firm’s products are used in magazines, magazine covers, calendars, catalogues, brochures, and posters. The company was founded on May 18, 1997 and is headquartered in Zhenjiang, China.

Sepa-Sigma, Inc. is a holding company that operates as a membrane technology-based company. It focuses on the field of all separation using a nano-pore-sized membrane. The firm's business activities encompass nano-filtration, virus-removal, and separation technologies for biologics. The company was founded by Seiichi Manabe on August 3, 2006 and is headquartered in Kitakyushu, Japan.