Main Products

With decades of experience in the mining and sandstone crushing field, the company has developed a full range of products that represent the advanced level of the industry. These include gyratory crushers, cone crushers, high-efficiency impact crushers, jaw crushers, high-pressure roller mills, and more than ten series and hundreds of products.

PYY Series Single Cylinder Hydraulic Cone Crusher

PYY series single-cylinder hydraulic cone crushers, which are applicable to large and medium-sized sandstone and ore processing enterprises, are used for secondary, tertiary or quaternary crushing of rocks or batholiths.

8HL Series High-Efficiency VSI Crusher

Widely used for fine crushing and forming of various ores, this device is especially suitable for secondary and fine crushing of several types of hard and brittle materials with a water content not exceeding 20%, including abrasive materials, quartz sand, limestone, cobblestone

PEV Series Jaw Crusher

PEV series jaw crushers are suitable for primary, secondary and fine crushing of various ores or rocks with a compressive strength not exceeding 2ooMPa.

G Series High-Pressure Grinding Rolls

G series high pressure grinding rolls are suitable for fine and ultra-fine crushing of materials with a compressive strength not exceeding 250MPa and humidity below 8%.

PF Series Impact Crusher

With high crushing ratio,simple and appropriate structure and high crushing efficiency, these crushers maintain steady operations and are easy to maintain.

YK Series Vibrating Sorting Screen

The equipment is widely used for material sieving in sectors of quarries, mines, building materials, electricpower, coal mines, chemical engineering and so on.

ZSW Series Vibratory Feeder

Mainly used for continuous and uniform feeding in front of primary crushing machines, these vibratory feeders can also screen fine materials so that crushers will exhibit greater capacity.

ZZG Series Inertial Vibratory Feeder

These feeders are widely applied in combined crushing and screening equipment in industries of metallurgy, coal mines, building materials,chemical engineering, abrasive materials and so on.

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Chengdu Dahongli Machinery Co., Ltd.

About Dahongli

Chengdu Dahongli Machinery Co., Ltd. is located in the Tianfu Dayi Provincial Industrial Park and is a publicly listed company specializing in the manufacturing and service of mining machinery equipment (stock code: 300865).

Founded in 1988, Dahongli now possesses three major R&D and manufacturing bases covering an area of 270,000 square meters and holds over 300 national patents. The company has received numerous honors, including being recognized as a National High-Tech Enterprise, a Specialized, Refined, Unique, and Innovative Enterprise, and hosting a Researcher and Expert Workstation.

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Our Project

With decades of experience in the mining and sandstone crushing field, the company has developed a full range of products that represent the advanced level of the industry. These include gyratory crushers, cone crushers, high-efficiency impact crushers, jaw crushers, high-pressure roller mills, and more than ten series and hundreds of products.

How to Choose a Mining Equipment Manufacturer

Oct. 09, 2026

When I explain How to Choose a Mining Equipment Manufacturer, I begin with the mine rather than the machine. First, I define the mining application, material, production target, and operating environment. Next, I verify equipment fit, factory capability, quality-control evidence, total ownership cost, service coverage, spare-parts logistics, references, and contract protections. This approach
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What Equipment Is Needed for Mineral Processing?

Oct. 09, 2026

When I evaluate What Equipment Is Needed for Mineral Processing?, I begin with the ore, target product, throughput, and recovery requirement rather than selecting machines individually. A typical mineral processing plant may require equipment for feeding, crushing, grinding, screening, classification, mineral separation, dewatering, pumping, and material handling. The final circuit depends on ore
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How Does a Hydraulic Cone Crusher Work?

Oct. 08, 2026

A hydraulic cone crusher reduces rock through compression between a rotating mantle and a stationary concave. Feed enters the crushing chamber, the eccentric assembly makes the mantle gyrate, and repeated compression breaks the material. Hydraulic controls set the discharge opening, release uncrushable objects, clear the cavity, and return the crusher to its operating position.
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What Materials Are Suitable for High-Pressure Grinding Rolls?

Oct. 07, 2026

High-Pressure Grinding Rolls are suitable for hard, brittle, and compressible feeds that can form a stable material bed between two counter-rotating rolls. What Materials Are Suitable for High-Pressure Grinding Rolls? The answer depends on ore hardness, abrasiveness, moisture, feed size, bulk density, particle-size distribution, and bed compressibility rather than hardness alone. In practice,
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What Materials Are Suitable for HSI Crushing?

Oct. 06, 2026

HSI crushers are suitable for limestone, sandstone, concrete, asphalt, recycled construction materials, and other soft to medium-hard feedstocks that benefit from impact breakage. They are less suitable for highly abrasive, very hard, wet, sticky, or heavily contaminated materials. Final selection depends on hardness, abrasiveness, silica content, moisture, clay, feed size, tramp metal, required
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What Materials Are Suitable for VSI Crushing?

Oct. 05, 2026

What Materials Are Suitable for VSI Crushing? VSI crushers are best suited to hard, brittle, and relatively dry materials that require particle shaping, manufactured sand production, or controlled fine crushing. Common applications include granite, basalt, quartzite, limestone, river gravel, concrete, slag, glass, and selected ores when feed size, moisture, clay content, and abrasiveness remain
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How to Match Crushers in a Crushing Plant

Oct. 02, 2026

I match crushers by comparing feed material, maximum feed size, target product, required capacity, crushing stage, and mobile-versus-stationary constraints. The correct combination must also maintain a practical reduction ratio, protect downstream screens and conveyors, control recirculating load, and produce the required particle shape and gradation.
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How to Choose a Jaw Crusher for Hard Rock

Oct. 01, 2026

When I explain How to Choose a Jaw Crusher for Hard Rock, I start with seven measurable inputs: rock compressive strength, abrasiveness, moisture, maximum feed size, required capacity, target product size, and plant mobility. For most hard-rock circuits, the normal sequence is jaw crushing for primary reduction, followed by cone crushing for secondary or tertiary reduction. The correct model
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What Is a Vibrating Screen Machine?

Sep. 25, 2026

A vibrating screen machine is mechanical screening equipment that separates bulk materials by particle size. A vibrating drive moves a screen deck at a controlled frequency and amplitude, allowing undersized particles to pass through mesh openings while oversized particles travel toward the discharge end. These machines are widely used in mining, aggregates, construction, recycling, chemical
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How to Improve Stability of a Mining Crushing Line

Sep. 24, 2026

To improve stability in a mining crushing line, I focus on consistent material feeding, controlled crusher loading, balanced equipment condition, reliable screening and conveying, and planned maintenance. The practical process is to diagnose instability, control feed size and rate, adjust crusher settings, balance screening and conveyors, inspect mechanical components, install monitoring, and
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Let our team help you select the right product.

Talk to our experts and we can help you meet all template requirements from scratch. Let us provide assistance for your next project.

  • Afghanistan
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  • Algeria
  • American Samoa
  • Andorra
  • Angola
  • Anguilla
  • Antarctica
  • Antigua and Barbuda
  • Argentina
  • Armenia
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  • Wallis and Futuna Islands
  • Western Sahara
  • Yemen
  • Zambia
  • Zimbabwe
  • Montenegro
  • Serbia
  • Palestine
  • South Sudan
  • Jersey
Chengdu Dahongli Machinery Co., Ltd.

Our Partners

With decades of experience in the mining and sandstone crushing field, the company has developed a full range of products that represent the advanced level of the industry. These include gyratory crushers, cone crushers, high-efficiency impact crushers, jaw crushers, high-pressure roller mills, and more than ten series and hundreds of products.
China Railway
China Railway Construction
China Power Construction
China National Building Materials