Qin Lan Environmental Protection Equipment Technology is one of the best water softener, water filter, solenoid valve, pressure tank, water faucet manufacturers and suppliers in China and also a professional water softener processing trade exporter, you can get highest quality filter OEM processing and water treatment water softener made in China at lowest price from our factory. Our products have been export Middle East, southeast Asia, Europe, America, South America, Hong Kong, Taiwan, more than ten countries and regions, and in a fast development. We strictly carry out the ISO9001 quality management system & ISO14000 environmental management system standards.