About Zhengda
Honor
Factory
Horizontal Scroll Discharging
Three phase separation centrifuge
Shaftless Conveyor
Fine Sand Recycling Machine
Automatic Dosing System
Solid-Liquid Separator
Automatic Electric Controlling
Food Processing Pharmaceut
Chemical Products
Construction Sludge
Municipal Wastewater
Industrial Wastewater
Kitchen waste
Fossil Oil and Mining
Animal Breeding Wastewater