Stone Crusher& Sand Making &
Grinding & Ore Processing

About our company

Shanghai Dingbo Heavy Industry Machinery Co., Ltd. (brand name: DBM) is a leading enterprise in China’s mining and construction machinery industry, specializing in the research, development, and manufacturing of crushing, grinding, sand-making, mineral processing, and auxiliary equipment. Upholding the principles of innovation, quality, and service, DBM provides integrated one-stop solutions to global clients and remains committed to driving technological advancement and sustainable development in the worldwide mining sector.
20+

Experience

2000+

㎡ Factory

3000+

Project Cases

300+

Skilled Worker

Stationary Crushers
Online Services Stationary Crushers
Request a Quote Primary Crusher For Various Stones 1 1.Easy to operate

2.Stable performance

3.Easy to maintain

4.Wear-resistant and durable

5.Environmentally friendly and energy-saving
2 4 3 5 6 ISO Certification
SGS Certification
CE Certification
GOST Certification
Mobile Crushers Online Services Mobile Crushers Request a Quote Primary Crusher For Various Stones On Wheels 1 1.Portable and Flexible

2.Stable Performance

3.Easy to maintain

4.Quick Setup

5.Integrated Design
2 4 3 5 6 ISO Certification
SGS Certification
CE Certification
GOST Certification
Grinding Mills Online Services Grinding Mills Request a Quote Advanced Grinding Solutions for Various Materials
1 1.Portable and Flexible

2.Stable Performance

3.Easy to maintain

4.Quick Setup

5.Integrated Design
2 4 3 5 ISO Certification
SGS Certification
CE Certification
GOST Certification
6
Mining Equipment Online Services Mining Equipment Request a Quote Reliable Equipment for Efficient Mining Operations 1 1.Robust Structure

2.High Efficiency

3.Versatile Applications

4.Energy Saving

5.Easy Maintenance

6.Customizable Solutions
2 4 3 5 ISO Certification
SGS Certification
CE Certification
GOST Certification
6
Auxiliary Equipment Online Services Auxiliary Equipment Request a Quote Reliable Auxiliary Equipment for Efficient Mining 1 1.Support Core Operations

2.Compact Design

3.Easy Integration

4.Low Maintenance

5.Energy Efficient

6.Improves Workflow
2 4 3 5 ISO Certification
SGS Certification
CE Certification
GOST Certification
6
Automatic Block Machine Online Services Automatic Block Machine Request a Quote Reliable Automatic Block Machines for High Efficiency 1 1.Fully Automated

2.High Capacity

3.Easy Operation

4.Versatile Use

5.Energy-Efficient

6.Low Maintenance
2 4 3 5 ISO Certification
SGS Certification
CE Certification
GOST Certification
6

Company Case

Our corporate culture is centered on "integrity, innovation, cooperation, and win-win", and is committed to creating a good atmosphere of respect for employees, customers, and partners. We encourage employees to continue learning and innovating to cope with the rapid changes in the market and provide customers with the best quality products and services.

Blog

Raymond Mill Airflow Adjustment: Key Requirements for Efficient Milling

This article emphasizes the critical role of airflow adjustment in the operation of Raymond mills, a common type of milling equipment. It explains how both insufficient and excessive airflow can negatively impact the mill’s performance, leading to clogging or a decreased product qualification rate. The article provides guidelines for adjusting the fan’s airflow to achieve the desired product fineness and prevent powder accumulation. It also highlights the importance of proper airflow setting during the initial installation to meet specific production requirements and advises against arbitrary adjustments during operation. Furthermore, the article offers valuable tips for the installation and debugging process, including rust prevention, foundation laying, secure connections, foreign object removal, wiring verification, voltage checks, and preheating to detect potential issues. These insights are crucial for ensuring the smooth and efficient operation of Raymond mills.

How to Configure a 500t/h Limestone Crushing Production Line: Key Equipment and Design Tips

This article presents a comprehensive configuration plan for a 500 tons-per-hour limestone production line, detailing the essential components and considerations for efficient and environmentally compliant operation. It begins with an overview of limestone’s properties and industrial significance. The core of the article focuses on the equipment layout, including raw material storage, vibrating feeder, primary jaw crusher, impact crushers, vibrating screens, and belt conveyors. It emphasizes the importance of selecting appropriate equipment models to meet the desired production capacity. The article also highlights crucial operational notes, such as re-crushing oversized material, ensuring sufficient storage capacity at the transfer station, and implementing environmental protection measures like system sealing, ventilation, spray systems, and wastewater treatment. This detailed guide provides valuable insights for setting up a high-capacity limestone production line that balances efficiency, product quality, and environmental responsibility.

Why the Raymond Mill Motor Won’t Start: Causes and Troubleshooting Tips

This article addresses the critical issue of a Raymond mill’s motor failing to start, which halts production. It outlines the primary causes for this problem, including power issues, low overcurrent relay settings, excessive motor load, and incorrect wiring. The article then provides practical solutions for each cause, such as checking and repairing electrical components, adjusting relay settings, reducing the motor load, and correcting wiring errors. Understanding and addressing these issues is crucial for maintaining uninterrupted operation and optimal performance of the Raymond mill.

Rock Grinder Machine: Stop Wasting Your Money in 2026

This article highlights how to maximize profitability with a rock grinder machine by prioritizing equipment durability over low initial costs. It contrasts the risks of using outdated or weak machinery with the advantages of heavy-duty quarry rock crushers and mobile crushing units for superior site efficiency. By focusing on dust control, metallurgy quality, and closed-loop screening systems, the text provides a practical guide for operators to eliminate downtime and ensure precise output for abrasive materials and concrete recycling in 2026.

Sand Making Machine Output: Performance, Benefits, and Comparison with Natural Sand

This article highlights the performance and advantages of sand produced by sand making machines. It emphasizes that manufactured sand is comparable in quality to natural sand and can be tailored in size. Key benefits include controlled composition, adjustable fineness modulus, superior adhesion and compressive strength due to particle shape, and acceptable stone powder content. These advantages address the shortage of natural sand and promote efficient resource utilization.

Jaw Crusher Maintenance Methods and Common Repair Tips

The jaw crusher, also known as the jaw break, is a vital piece of crushing equipment that requires regular maintenance to operate efficiently and prolong its service life. Key maintenance tasks include daily inspections of components such as the motor, wiring, belts, and wear parts; proper lubrication of moving parts using appropriate grease; periodic adjustments to maintain optimal discharge size; and timely repairs when issues arise. Consistent upkeep ensures the jaw crusher maintains high performance, reduces downtime, and delivers long-term reliability.

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Testimonials

  • We opted for a mobile crusher from DBM due to its versatility. It's surprisingly easy to maneuver around the site and has significantly boosted our productivity. The build quality is also impressive.
    Carlos Rodriguez
    Latin American Infrastructure Development Corp.
  • The mining machine we got from DBM is robust. Initially, there was a slight issue with the feed system, but their technical team responded promptly and resolved it. Now, it runs smoothly.
    Vikram Singh
    New Delhi Construction Enterprises
  • We recently acquired a crusher from DBM for our construction project. It's been handling the tough materials with ease and the maintenance required is minimal. Good value for the investment.
    Rajesh Patel
    Indian Construction Group Ltd.

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