EngineeringQualityService
Zhengduo Machinery designs and manufactures crushing and sand-making equipment for quarrying, mining and construction-waste recycling projects.
Production Workshop
Assembly Line
Equipment Yard
Loading Area
Production Base
Casting, machining and assembly under one roof.
Production Base
Production Workshop
Assembly Line
Equipment Yard
Loading Area
Machines Built to Keep Running
Double-Rotor Screenless Sand Making Machine
Two-stage crushing without bottom screen — wet and sticky material will not clog.
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Machines Built to Keep Running
Double-Rotor Screenless Sand Making Machine
Two-stage crushing without bottom screen — wet and sticky material will not clog.
Mobile Crusher Plant
Wheel-mounted plant, towable between sites, no foundation needed.
Jaw Crusher
Primary crushing for large feed material.
Sand & Aggregate Production Line
Coordinated feeding, crushing and screening lines.
Casting, Machining and Assembly Under One Roof
Zhengduo Machinery runs its own workshop for fabrication, machining, assembly and test running, so every unit is inspected before it leaves the factory.
See It Working
Test runs, machine internals and workshop walk-throughs from our production base.
Global Cooperation
Real projects across Southeast Asia, Africa, Europe, Asia and South America.
Factory-direct supply — every machine built, assembled and tested in our own workshop in Gongyi, Zhengzhou.
Focus on Zhengduo Machinery
How the Double-Rotor Screenless Sand Maker Handles Wet and Sticky Material
No bottom screen, two-stage crushing — why clay-rich and high-moisture feed no longer means clogged equipment.
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Mobile Crushing Plant: Start Production Without a Concrete Foundation
A complete crushing unit on wheels — feeding, crushing and discharging in one towable frame.
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