Zhengzhou Dongding
Machinery Co., Ltd.
We are a high-tech enterprise integrating independent R&D, intelligent manufacturing, on-site installation and full-lifecycle after-sales services. With over 30 years of dedicated expertise, we specialize in advanced dewatering and drying systems for coal & mineral resources, biomass fuels, animal feed and organic fertilizer sectors. Boasting more than 60 authorized patents, we provide customized turnkey drying solutions for global clients.
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0Years of Experience
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0Industrial Workshop
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0Global Customers
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0Operation Sites
From Inquiry to Operation
A single partner for the whole project — consultation, engineering, installation and lifetime care.
Quick Response
Your inquiry is answered within 30 minutes by a dedicated engineer.
Solution & Quote
A tailored process design and quotation delivered within 24 hours.
Engineer Dispatch
On-site engineers dispatched within 48 hours for installation support.
Lifetime Care
Year-round follow-up visits and lifetime spare-parts supply.
- 600+
- Projects Worldwide
With drying projects running across the globe, Dongding has earned long-term trust through reliable quality and responsive after-sales service.
Inside Our Factory
A standardized industrial workshop with CNC cutting, welding and full-load testing lines.
20,000 m² Standardized Workshop
CNC cutting, robotic welding and full-load testing lines brought together under one roof.
Every Dongding dryer is engineered, fabricated and tested in-house — quality is controlled at every step, from raw steel to final delivery.
CNC Cutting
Precision plate cutting and forming for uniform drum shells.
Robotic Welding
Automated welding lines keep seams strong and consistent.
Full-load Testing
Every machine is run and checked before leaving the plant.
Quality Inspection
Multi-stage QC at each station, from steel to final assembly.
Quality You Can Verify
Internationally recognised certifications and 60+ invention patents.
Trusted by Industry Leaders
Long-term cooperation with leading energy, mining, building materials and chemical groups.
Start a Conversation
Have a Drying
Project in Mind?
Tell us your material, moisture content and target capacity — our engineers will reply with a tailored proposal within 24 hours.
