ARKAL is the founder of the stacked filter technology, which has the advantages of self-locking deep filtration, high efficiency and easy cleanability. The second generation of SPIN KLIN automatic backwashing filtration system brings the laminated filtration technology to the extreme, which is completely regenerated by backwashing and saves water and energy when backwashing.

Since its establishment in 2001, the company has been developing and producing composite pressure tanks, membrane element pressure vessels, reverse osmosis membranes and membrane elements and nanofiltration membranes and membrane elements, as well as salt tank and soft water tank series products; all core technologies come from independent research and development, with deep understanding, insight and layout of the future development direction of the industry.

Hebei Chengda Water Treatment Technology Co., Ltd, founded in 1976, the main products: water treatment FRP membrane shell, seawater high pressure FRP membrane shell, ST/DTRO membrane shell, tubular membrane shell, high flow FRP filter, water treatment FRP composite tank, filter sand tank, PE salt tank, nitrogen sealed water tank, FRP storage tank, FRP shaped customized tank and other products.

Founded in 1981, Bleach Group is a group of companies dedicated to the production, development and marketing of ion exchange resins and adsorbents, with over forty sales offices worldwide and production sites in the UK, USA, Romania and China to meet worldwide demand.