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.

VIVONIC GmbH, part of Fresenius Medical Care AG & Co. KGaA, is a company headquartered in Sailauf, Germany. The firm manufactures water purifying products. It was founded in 1999 by Manfred Völker. Gerald Hess is currently the CEO of the company.

Kurita Water Industries Ltd. (栗田工業株式会社 Kurita Kōgyō Kabushiki-gaisha) is a Japanese manufacturer, providing water treatment chemicals and facilities as well as process treatment chemicals. During the 50´s Kurita Water Industries expanded the portfolio and started with the water treatment facilities business, chemical cleaning business (Kurita Engineering Co., Ltd.) and maintenance services. In her second decade, the 60´s, Kurita Water Industries entered the process treatment market, especially in the pulp and paper, petrochemical and steel industries. Since the mid of the 70´s up to now, Kurita Water Industries established 14 overseas subsidiaries and affiliates. Since 2003 Kurita Water Industries is listed in the Nature Stock Index (NAI = Natur-Aktien-Index).

Watkins Manufacturing Corp. manufactures hot tubs. Its brands include Hot Spring Spa, Caldera Spa, Freeflow Spa, and Fantasy Spa. The company was founded by Jeff Watkins and Jon Watkins in 1977 and is headquartered in Vista, CA.

DKK-TOA Corp. engages in the manufacture and sale of analytical and measuring instruments. It operates through the Measurement Tools and Real Estate Leasing segments. The Measurement Tools segment handles the manufacture and sale of environmental and process analysis equipment, scientific analysis equipment, and industrial gas detection alarms. The Real Estate Leasing segment deals with the leasing of buildings. The company was founded on September 19, 1944 and is headquartered in Tokyo, Japan.

Part of Emerson Electric Co., Rosemount Analytical, Inc. is an American company that manufactures measuring and analytical instruments for gas industry.

Kurita Water Industries (Suzhou) Co. Ltd., a subsidiary of Kurita Water Industries Ltd., is a Chinese company located in Jiangsu. The firm provides water treatment services.

Yokogawa Electric Corp. engages in the provision of industrial automation, test, and measurement solutions. It operates through the following segments: Control, Measurement, and Navigation & Others. The Control segment manufactures and sells programmable controllers, industrial recorders, flow meters, differential pressure transmitters, and process analyzers. The Measurement segment offers waveform measuring instruments, optical communication-related measuring equipment, signal generators, confocal scanners as well as power, temperature, and pressure measuring devices. The Navigation & Others segment produces cockpit flat panel displays, aircraft engine meters, gyrocompass, autopilot, weather observation systems, and hydrological instruments. The company was founded by Tamisuke Yokogawa, Ichiro Yokogawa, and Shin Aoki on September 1, 1915 and is headquartered in Tokyo, Japan.

Nikkiso Co., Ltd. engages in the manufacture, sale, and maintenance of industrial and medical equipment. It operates through the Industrial and Medical segments. The Industrial segment offers industrial pumps and compressors, liquefied gas and industrial gas related devices, water quality control equipment, and carbon fiber reinforced plastic (CFRP) molded products for commercial aircraft. The Medical segment provides dialysis and acute blood purification related products. The company was founded by Keijiro Oto on March 3, 1950 and is headquartered in Tokyo, Japan.

Hyunjin Co. Ltd. engages in construction of residential and commercial building and Social Overhead Capital. The company was founded on July 31, 2000 and is headquartered in Seongnam, South Korea.

KaiRui Environmental Protection Technology Co., Ltd. is a private company headquartered in Hejian, China. The firm develops, manufactures and exports catalyst resins and distillation components.

Spraying Systems Co. manufactures industrial spray products. It offers spray nozzles for general purpose, tank cleaning, spray guns, air nozzles, automatic nozzles, automated systems, fabricated products, ispray and prsyware. The company was founded in 1937 and is headquartered in Glendale Heights, IL.

Kubota Corp. engages in the manufacture and sale of agricultural and construction machinery equipment. It operates through the following segments: Machinery, Water and Environment, and Others. The Machinery segment includes agricultural and construction machinery, engines, and agricultural products. The Water and Environment segment provides environmental-related products and pipe-related products such as ductile iron pipes, plastic pipes, valves, and pumps. The Others segment offers logistics and finance services, roofing materials, and outer wall materials. The company was founded by Gonshiro Kubota in February 1890 and is headquartered in Osaka, Japan.

Meidensha Corp. engages in the manufacture and sale of electric appliances. It operates through the following segments: Social Infrastructure Systems Business, Industrial Systems Business, Maintenance and Servicing Business, Real Estate Business, and Other Business. The Social Infrastructure Systems Business segment manufactures and sells equipment for emergency and non-emergency power generation, hydroelectric power generation, and power transmission. he Industrial Systems Business segment produces and markets motors and inverters for elevators, textile machinery, and industrial and electric vehicles. The Maintenance and Servicing Business segment provides services relating to management and monitoring of facilities. The Real Estate Business segment offer property rentals. The Other Business segment offers welfare program services and chemical product manufacturing. The company was founded by Hosui Shigemune on December 22, 1897 and is headquartered in Tokyo, Japan.

Beijing Huakeyi Technology Co., Ltd., established on 1995-03-29, The scope of business includes the production of instrumentation;Instrumentation and environmental testing technology development,consult,Serve,transfer,training;Sales instrumentation,Environmental testing equipment,computer,Software and Auxiliary Equipment,Office Supplies,Electronic Component,water treatment equipment,Green facilities;Instrumentation,Environmental testing equipment maintenance;Import and export;Technology Import and Export;Environmental Project Design,Equipment installation and commissioning;Production automation complete set of control device system;soil remediation;water pollution control;Air Pollution Monitoring;Construction General Contracting;Professional contractors;Environmental protection equipment technology development.(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.)

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.

Hangzhou Tongshan Technology Co., Ltd., established on 2019-01-31, Business scope includes computer software,medical instruments(Limited to one category,Class II),instrument,meter,Environmental Technology,Environmental detection system,computer system integration,Environmental governance equipment,Research and development of industrial automatic control systems and related products,Production,Install,Operation and maintenance,Sales,lease,Technology Promotion,technology transfer,technical consulting,Technical Services;Undertake environmental protection projects,Water environment governance,Water conservancy and hydropower engineering design and construction;wholesale,retail:Ordinary machinery,Equipment,electrical equipment,Complete electrical equipment,Office Supplies,cosmetic,household items,Clothing and shoes,sporting goods,Chemical Products(Except for dangerous chemicals and precursor chemicals),electronic product(In addition to electronic products),Wujinjiaodian,medical instruments(Limited to one category,Class II),instrument,meter,knitted goods,plastic products,rubber products,steel,building materials,decorative material,Communication equipment;Import and export,Technology Import and Export,Agent import and export(National law,Except for items prohibited by administrative regulations,law,Projects that are restricted by administrative regulations can only be operated after obtaining a license).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Boasting of the longest history in the Korean construction industry, Daelim is a powerhouse and a global company that is actively engaged in business in the four corners of the world. Founded as Burim Corporation in 1939, Daelim has been playing a pivotal role in Korea’s construction history, taking pride in the fact that Korea’s construction history is the history of Daelim. It is not an exaggeration to say that most Korea’s landmark buildings have been completed with the help of Daelim including Korea’s artery road, Gyeongbu Expressway, Seoul Metropolitan Subway, POSCO, National Assembly Building, Seoul Olympic Main Stadium, Gwanghwamun Square, and World’s 4th Longest Suspension Bridge. Since Daelim entered the overseas market for the first time in 1966, it has played a pioneering role in penetrating overseas markets; thus setting records as the first company to secure foreign currencies from the overseas construction market, the first company to export plants overseas, and the first company to penetrate the Middle East and Africa markets. Daelim’s advancement in the global stage is being accelerated. Daelim reached the targeted cumulative order volume of USD 15 billion in Saudi Arabia, the hub of the construction industry in the Middle East, as the first Korean company to do so. We implement various projects worldwide including Saudi Arabia, Kuwait, China, Vietnam, the Philippines, and Singapore. The success of Daelim can be attributed to thorough project management capabilities, differentiated technical prowess, long-term accumulated global network, and business know-how. We will be reborn as a global leading company through continuous innovations and challenges. We will do our very best to create corporate value and earn respect among our clients and in society.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

Jiangsu Donghua Analytical Instrument Co., Ltd., established on 2013-02-20, The scope of business includes analytical instruments,Reagent,Research and development of sensor production technology,technology transfer,technical consulting,Technical Services;Analytical Instruments,sensor manufacturing,Sales;experimental reagent(Free of Hazardous Chemicals)Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)