Changsha Yuankeyi laboratory equipment co., ***** a big company for deal with water treatment equipment research, produce, sale, and service .The main equipments are ultra pure water processing equipmentsã??We are a professional ultra pure water manufacture more than 15 years experiences in China, offering over 100 various kinds of ultra pure water ***** output up *****â??s mainly used in reserse osmosis membrane ***** ultra pure water treatments have four filters and Reverse Osmosls *****â??s very suitable for biology, clinical laboratories ã??laboratories in the universityã?? plants chemical â??industry laboratories and precision instruments. HPLCã??ICã??GCã??analysis exprimentã??