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
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
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
From May 22 to 25, 2025, the core teams from Duma Machinery Organization Company’s departments of technology R&D, marketing, and sales traveled specifically to Nanning to attend the 2025 Guangxi International Mining Exhibition. The purpose of this visit was to gain a deeper understanding of the latest global trends in mining equipment and stay abreast of technological advancements in the crushing industry—providing crucial insights that will inform the company’s product innovation and strategic planning.
26
2025
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05
In industries such as mining, metallurgy, and building materials, the durability of crusher wear parts directly impacts the equipment's service life and production efficiency. As a manufacturer of high-manganese steel castings, China's crusher wear parts factory has significantly enhanced the strength, toughness, and wear resistance of manganese steel castings through scientifically optimized heat treatment processes, ensuring they meet the demands of even the most challenging operating conditions. This article will provide a detailed introduction to the heat treatment technologies used for wear-resistant manganese steel castings, along with an exploration of their practical applications in real-world production settings.
23
2025
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05
Key Points Analysis of Casting Processes for Wear Parts in Mining Crushers
In the production process of wear parts for mining crushers, the quality of the casting process directly determines the service life of the components and the operational efficiency of the equipment. As critical casting parts for crushers, their quality significantly impacts the overall stability of the crushing system. Below are two core steps that must be carefully addressed in the manufacturing of crusher accessory castings:
20
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.