In the fields of mining and construction engineering, the jaw crusher serves as the core equipment for raw material crushing, and the performance of its key component—the jaw plate—directly affects the overall efficiency of the machine. As a professional jaw plate manufacturer, Duma Machinery will systematically introduce you to the classification of jaw plates, their material characteristics, and solutions for optimizing service life.
11
2025
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04
China Cone Crusher Liner Factory / Duma Machinery – A Premium Supplier of Crusher Spare Parts
As a premium supplier of crusher spare parts in the industry, Duma Machinery specializes in manufacturing high-manganese steel castings, offering you exceptional solutions for cone crusher liners. Our moving and stationary cone liners, crafted with advanced technology, set the industry standard thanks to their precision-engineered design and exceptionally long service life. By choosing this trusted supplier of crusher spare parts, you’ll gain access to innovative technology, unmatched quality, and comprehensive customer service tailored to meet your needs.
03
2025
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06
As a leading domestic manufacturer of crusher accessories, Duma Machinery specializes in producing high-performance, wear-resistant components for the mining and quarrying industries. Our product range includes manganese steel castings, high-chromium alloy castings, crusher liners, and other types of durable spare parts. We are not only a well-known domestic manufacturer of mining machinery but also one of China’s major production bases for wear-resistant steel castings. With more than 100 skilled employees and a dedicated sales team of 6 members, we are equipped with advanced casting facilities spanning over 47,000 square meters, ensuring a steady supply of top-quality, wear-resistant components.
02
2025
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06
As a benchmark enterprise in China's crusher parts industry, Duma Machinery Manufacturing Co., Ltd. has become a globally recognized expert in wear-resistant castings, thanks to over a decade of accumulated technological expertise. The company specializes in producing a wide range of wear-resistant spare parts, including components for Chinese rock crushers, core elements for grinding mills, and custom-made wear-resistant parts tailored for screening equipment—products that are exported to more than 50 countries and regions worldwide. With extensive hands-on experience in the mining and construction sectors, we not only deeply understand our customers' needs but also continuously drive innovation and breakthroughs in our offerings.
30
2025
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05
Are prices of fixed cone liners and moving cone liners highly volatile? Analyzing the key factors
As a professional brand in the industry, Duma Machinery has been specializing in the production of gyratory crusher mantle liners for over 10 years. High-quality bowl-shaped liners can significantly extend the service life of cone crushers while reducing the frequency of replacements. Given that the replacement process is complex, time-consuming, and demands extreme precision, it’s crucial to strike the right balance between the price of moving cone liners and the quality of stationary cone liners when making your selection.
28
2025
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05
The Impact of Jaw Plate Material Selection on Crusher Performance
When it comes to selecting materials for jaw plates, the key to wear resistance lies in achieving a balanced relationship between hardness and toughness. ①If the material is too hard, the depth of material compression decreases, resulting in reduced deformation and weakening the short-range sliding-and-chiseling effect between particles. ②On the other hand, materials with excellent toughness can significantly enhance fracture resistance, effectively preventing brittle fractures during compression and impact, while also improving their ability to withstand fatigue-induced deformation and cracking. Duma Machinery—China's leading experts in jaw crusher spare parts—point out that these two performance characteristics often conflict with each other, making it a major technical challenge in the industry to achieve an optimal balance.
27
2025
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05
Duma Machinery's main products include: mantle and concave liners, crushing walls, and distribution plates for cone crushers; jaw plates, side guards, and pressure bars for jaw crushers; lining plates for ball mills, autogenous mills, and other equipment; impact crusher hammers and impact plates; as well as hammer heads, screen bars, liner blocks, and other wear-resistant alloy steel components for metal shredders.