Wellthy Corporation and Mitsubishi Chemical Aqua Solutions Co., Ltd. have merged to become a brand new company Business Lineup 01 Water Treatment & Production 02 Wastewater Treatment 03 Pure & Ultra-pure Water Production 04 Separation & Purification(Ion Exchange Resins) 05 Medical Water Production Systems 06 Hollow Fiber Membrane 07 Standard Filters Find more information Find more information News & Topics December 10, 2020 MCAS's Water Treatment and Supply System Project in Myanmar Selected for UNIDO 's Technology Transfer Project Mitsubishi December 2, 2020 MCAS wins the 2020 Minister of the Environment Awards for Climate Action November 5, 2020 MCAS was Certified as JICA-SDGs Partner News & Topics