Northeast 19th International Water Supply & Drainage, Water Disposal Technique & Equipmengt, and Pump & Value and Pipeline Exhibition
Water purification and drinking water equipment
Pump valve pipe
Sludge/water treatment/material dewatering
Membrane / filter equipment / accessory products
Water treatment agent/reagent/test paper/adhesive
Process Control Technology and Process Automation
Air purification products
Fresh air system / ventilation equipment