Chemicals for purifying, treating, or modifying water to be more suitable for use in industrial, commercial, and municipal water systems or water based process applications; chemicals for use in water treatment; chemicals for treatment of wastewater; chemicals for the treatment of cooling water systems; chemicals used for treatment of boiler water; chemicals used for removing microbial slime and scale from membrane filtration unit; industrial chemicals

Electronic-based instruments for measuring and analyzing environmental parameters, namely, water quality; electronic-based instruments for monitoring environmental parameters, namely, chemical property of water, water quality and system performance in water and wastewater treatment process; electronic-based instruments for use in the treatment of aqueous system, namely, for analysis of the system conditions for the purpose of applying the appropriate chemical treatment; sensors for measuring chemical levels in water; sensors for measuring conductivity in water; electronic-based instruments setting in the water treatment system for the purpose of measuring and monitoring environmental parameter in water treatment system and controlling chemical injection according to the measuring results

Water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water; water treatment equipment, namely, water filtration units; ballast water treatment apparatus and installations, namely, apparatus for use in sterilizing ballast water stored in and discharged from ballast tanks in vessels; ballast water treatment apparatus and installations, namely, ballast water sterilizing filtering apparatus; wastewater treatment apparatus for industrial use, namely, clarification and concentration machines for use in treatment of liquids in the nature of water, waste water and industrial water; wastewater treatment apparatus, namely, wastewater filtration apparatus and structural parts and fittings thereof; liquid particle sensors for sizing and counting contaminants in water and ultra-pure water sold as a component of water purification units

Maintenance services in connection with industrial water treatment systems, namely, cleaning, maintenance, and repair thereof; maintenance services in connection with industrial wastewater treatment systems, namely, cleaning, maintenance, and repair thereof; maintenance services, namely, cleaning, maintenance, installation of parts, and repair of machines, devices, and tools used for semiconductor manufacturing process; wastewater treatment plant maintenance and repair; water purifier maintenance and repair

Water treatment services; consulting services in the field of water treatment, namely, providing advice and suggestions relating to water and wastewater treatment

Providing temporary use of non-downloadable computer software for displaying water treatment status, equipment operation status, water quality analysis results, and problem occurrence status at a monitored water treatment facility, and for creating corresponding reports, all for use in the field of water treatment for purifying, treating, or alerting water to be more suitable for use in industrial, commercial, or municipal water systems or water-based process application; providing temporary use of nondownloadable computer software for the storage of historical data and information from water treatment process, and for the management of process data related to water treatment process; monitoring and reporting of water consumption, water quality and water treatment conditions by using electronic sensors and computer software for quality control purposes; monitoring of water quality, namely, continuous on-line monitoring and reporting of chemical property of water, water quality and system performance in water treatment process; water testing services, namely, water analysis