Contributing to the environment through water purification and recycling using membrane technology.
Manufacturing and sales of membrane filters, hollow fiber membranes, and graft membranes. Manufacturing and sales of cartridge filters and membrane elements using these membranes, as well as manufacturing and sales of water treatment systems utilizing filtration membranes that incorporate these.
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Rihwa Sangyo Co., Ltd. is a company that comprehensively supports everything from development and manufacturing to supply in various fields such as plastics and industrial materials. In addition to general-purpose plastics, we also provide products that meet market needs, including proposals for product development utilizing environmentally friendly resins.