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

Main Equipment Configurations in a Sand and Gravel Aggregate Production Line

Learn about the essential equipment in a sand and gravel aggregate production line, including feeders, crushers, screens, and mobile stations. Discover how to optimize your setup for high efficiency and product quality.

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.

Material Requirements and Performance Factors in Vibrating Screen Operation

This article explores the crucial material requirements and their impact on vibrating screen performance. Key factors include moisture content, where external moisture affects flowability and can lead to clogging, especially in fine-pore screens. Clay content is another critical aspect, as materials prone to agglomeration, like clay, can cause screen clogging even with low moisture levels. Particle size characteristics, particularly the distribution of particle grades, influence screening efficiency, with pre-screening methods improving performance when fine particle content is low. Finally, density characteristics of the material, where differences in density between coarse and fine particles affect screening ease, are discussed. Understanding these material properties is essential for optimizing vibrating screen operation and achieving efficient separation results.

Ball mill design and grinding efficiency optimization

What processes are required to configure a sand and gravel aggregate production line?

This article outlines the essential processes and equipment configuration for setting up a sand and gravel aggregate production line. It highlights the importance of each stage, from feeding and coarse crushing to medium crushing, shaping, and final screening. The article emphasizes the use of jaw crushers for coarse crushing, cone crushers for medium crushing, and vertical shaft impact crushers for shaping and sand making. It also mentions the role of pre-screening in optimizing the process and the flexibility offered by a well-designed system. The article concludes by offering customized equipment configuration plans tailored to specific production needs, whether for hard or soft rock crushing, and for mobile or fixed production setups.

Introduction to Raymond Mill: Structure, Working Principle, and Maintenance Guide

This comprehensive article provides an in-depth look at the Raymond mill, a versatile and widely used grinding machine. It covers the applications of Raymond mill in various industries, including mineral processing, chemicals, and construction, highlighting its ability to grind over 300 different materials with Mohs hardness ≤7 and humidity ≤6% to a fineness between 80 and 800 mesh. The article then delves into the structural features of the Raymond mill, emphasizing its compact design, reliable operation, and low failure rate. It explains the working principle of the mill, detailing the grinding process and the role of various components. The article also highlights the reliable quality of the Raymond mill, comparing it favorably to ball mills in terms of efficiency, power consumption, and initial investment. Finally, it provides essential maintenance guidelines to ensure optimal performance and longevity of the equipment. This article serves as a valuable resource for understanding the capabilities and operational aspects of the Raymond mill.

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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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