... PW series Purified Water Treatment System for Pharmacy: HM PW series Purified Water Treatment System for Pharmacy Reverse-Osmosis,EDI,no need ... A, mechanical filter; choice B, ultrafiltration step 2, two grade reverse osmosis step 3 (opition), EDI (electro desalt system)Range: ... project, Europe standard machines, top clean room system, Top sanitary pipe system, whole project management, it with HM ...