According to customers' requirements and the source water quality, we adopt different equipments to produce pure water, mineral water,etc. The main equipments are silica sand filter,active carbon filter, sodium ion exchanger, hollow fiber filter, RO(reverse osmosis), UV sterilizer, precision filter, ozone generator, water tank, etc. The treatment capacity is 0.5-50ton/hour. It can effectively get rid of muddy organic matter, iron, manganese and oxide; filter suspended substance, solloid, microorganism, chloride and heavy metal ions in the water; reduce the hardness of the water to make all specifications of the water quality fully meet the state fresh water standard of fresh drink water.