COMPANY Introduction
Founded in 2001, Zhengzhou Dingli Group focuses on the research and development (R&D) and production of complete coal dehydration and drying solutions, covering lignite, raw coal, coal sludge, coal powder, and coal ash processing lines. Our equipment is tested, clogging-resistant, wear-resistant, and safe to use.
With complete production facilities, we also manufacture drying equipment for sand, mineral ore, biomass, and animal feed. We have over 200 employees, providing installation, commissioning, and global after-sales service throughout the product lifecycle.
Strengths
50,000+ ㎡
Modernized Heavy Heavy-Fabrication Manufacturing Base
100+
Countries Delivered & Stable Mine-Site Commissioning
1000+
High-Capacity Projects Successfully Commissioned
350+
Globally Proprietary Technical Patents Certified
OUR FACTORY
How We Design Anti-Clogging & Fuel-Saving Rotary Coal Dryers
Conventional drum dryers perform poorly when processing coal. Wet coal slurry and fine particles stick firmly to the steel walls or form pasty lumps that are hard to dry. Our drying equipment is designed based on three core mechanical principles:
Global Certification
Every rotary drying system we build undergoes rigorous, multi-point compliance vetting to eliminate thermal hazards and dust ignition risks. From heavy pressure-vessel welding tolerances to advanced electrical automation, our production infrastructure aligns strictly with global industrial standards—ensuring absolute operational reliability under the most punishing continuous mining conditions.
