Profile: Rotek Water System Co. Ltd. specializes in manufacturing commercial and industrial reverse osmosis systems. Our product line includes reverse osmosis unit, filtration equipment, booster pumps and sterilizing equipment. Our filtration equipment include automatic filters, manual filter control valve, FRP filter tanks, stainless steel filter tanks, filter cartridge vessels and filter bags vessels. Our automatic filters include automatic sand filter, automatic carbon filter and automatic water softener. Our automatic sand filter removes sand, scales, mud and other particles. Our sand filters use coarse sand and other granular media to remove particles & impurities that have been trapped in a floc through the use of flocculation chemicals such as salts of aluminum or iron. Water and flocculant flows through the filter medium under gravity or under pumped pressure & the flocculated material is trapped in the sand matrix. Our booster pumps include water direct pump, auto booster pump, electronic control booster pump, horizontal multistage pumps and closed-coupling centrifugal pumps. Our water direct pump has a compact design, mechanical seal which prevents from leakage, electricity saving motor with enclosed, fan-cooled construction and a motor shell made of cast aluminum.