Follows ISO9001 quality system from raw materials to finished products.
Pre-sales design, sales assistance, and after-sales optimization to extend product lifespan.
Custom design and process flow for tailored OEM crusher parts solutions.
Over 15 years of experience, exporting to various countries and regions.
JianGxi Duma Since 2010
Duma Machinery is one of the leading foundries for crusher wear parts. Our products include cone crusher parts, jaw crusher components, Gyratory Crusher Spare Parts、Impact Crusher Spare Parts、parts of a hammer mill.
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The design production capacity exceeds 10,000 tons, with a maximum single product weight of up to 10 tons.
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Focused on enhancing the overall performance of high manganese steel, high chromium cast iron, alloy steel, as well as titanium carbide and ceramic composite materials.
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We assist customers in improving product designs based on material properties and operating conditions, increasing production efficiency and saving resources.
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We continuously develop more wear-resistant new materials based on the actual needs of our customers.
15
Industry Experience
100
+
Partners
4000
+
Mould
10
,000ton
Annual Output
47
,000m²
Production Base
Why Choose Us
Brand Advantage
Supplying Crusher Wear Parts to Fortune 500 companies globally.
Quality Advantage
State-of-the-art heat treatment processes, ensuring aesthetically pleasing products with high wear resistance and long service life.
Experience Advantage
With over ten years of dedicated research and development, the company has accumulated extensive experience and possesses 4000 +crusher wear parts molds.
Delivery Advantage
Several casting production lines, equipped with multiple medium-frequency furnaces of varying capacities, ensuring strong production capability.
Service Advantage
3D scanning technology offered to resolve drawing issues and meet customers' customization needs.
Main Products
High-quality products using the most advanced technology, materials
Duma Machinery maintains strict control over every production process
1
Cameras provide 24/7 monitoring of the entire production process.
2
Precision testing is conducted using the German Spic Spectrometer.
3
Chemical composition analysis is performed before and after each melt transfer.
4
Regular sampling and testing are carried out twice during production.
5
The steel temperature is measured and documented with photos before casting.
6
Detailed records of each steel sample are kept and stored6for 3 years6
7
Metallurgical testing is conducted after each heat treatment.
8
All production and monitoring data are systematically recorded for traceability.
The advantages of heat treatment technology enhance the product's wear resistance
Quenching Tank
Quenching after Heat Treatment
Quenching
Cooling Heat Treatment
Safe Production
Adhere to 10 Safety Precautions
1
Wear Personal Protective Equipment (PPE)
2
Follow operating procedures
3
Perform regular equipment maintenance
4
Avoid excessive fatigue and lack of concentration
5
Conduct regular training and education
6
Control fire hazards
7
Maintain proper ventilation systems
8
Store and handle chemicals safely
9
Manage equipment waste disposal
10
Report accidents and hazards promptly
Environmental Protection
Environmental Protection Measures
Wastewater treatment
Air pollution control
Solid waste management
Energy conservation and emissions reduction
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