Northeast 21st International Water Supply & Drainage,Water Disposal Technique & Equipmengt,and Pump & Value and Pipeline Exhibition
*Water purification and drinking equipment
*Pump valve
*Sludge / water treatment / material dehydration
*Membrane / filter equipment / ancillary products
*Water treatment agent / reagent / test paper / adhesive
*Process Control Technology and Process Automation
*Air purification products
*Fresh air system / ventilation