Henan Zhengzhou Mining Machinery Co., Ltd. (ZK MACHINE) was founded in 1956. Over the past seven decades, the company has evolved from a machinery manufacturing enterprise into a high-tech company integrating R&D, process engineering, equipment manufacturing, installation, commissioning, and technical services.

Today, ZK MACHINE has developed strong capabilities in process engineering, system design, equipment manufacturing, and project implementation, serving industries including building materials, mining, metallurgy, environmental protection, and related fields.

Manufacturing & Engineering Capabilities

ZK MACHINE is located in Qiaolou Caizhai Industrial Zone, West 5th Ring Road, Zhengzhou, China, covering more than 80,000 m² of land, with over 60,000 m² of workshop space and more than 5,000 m² of office space.

The manufacturing facility includes 8 modern workshops and 5 heavy-duty workshops, equipped with large-scale machining and lifting equipment, including boring and milling machines, gear hobbing machines, vertical lathes, and heavy-duty cranes. With more than 300 sets of manufacturing equipment, ZK MACHINE has the capacity to manufacture medium- and large-scale equipment and complete process systems independently.

ZK MACHINE also operates its own process testing workshop and testing & analysis center, supporting pilot testing and process data analysis for solid waste and hazardous waste treatment, building materials, metallurgical materials, and other applications.

These facilities enable ZK MACHINE to provide process packages, equipment solutions, and engineering support, helping customers validate process concepts and successfully implement industrial projects.

R&D and International Business

The ZK MACHINE Zhengzhou office is located in the Science and Technology Park of National University, West Third Ring Road, Zhengzhou. It houses the Overseas Business Department, E-commerce Department, Domestic Business Department, and R&D Center.

Our R&D capabilities include the Zhengzhou Municipal Enterprise Technology Center and the Industrial Solid Waste Disposal Equipment Engineering Technology Research Center, supported by a multidisciplinary technical team ranging from university graduates and technicians to senior engineers and researchers.

ZK MACHINE has developed the capability to independently undertake the process engineering and equipment design of complete production systems across multiple application fields.

Over the years, ZK MACHINE's products and process systems have been supplied to customers in more than 130 countries and regions, with international business covering markets across the Middle East, Southeast Asia, Africa, Russia, Kazakhstan, South Korea, the United States, Canada, Japan, the United Kingdom, Saudi Arabia, Vietnam, Thailand, Indonesia, Malaysia, Nepal, Bangladesh, Mexico, Turkey, Iran, India, Mongolia, and South America.

ZK MACHINE has established long-term cooperation with numerous customers and enterprises in China and overseas.

Main Process Systems
ZK MACHINE provides process engineering and equipment solutions across five major fields:
Our main process system products include:
1. New Energy System:
Lithium Extraction from Spodumene/Lepidolite, Flash Drying, Roasting & Cooling, Lithium Iron Phosphate Roasting, Lithium Carbonate Drying, etc;
2. New Material System:
Preparation processes of strontium carbonate, zinc oxide, aluminum oxide, etc;
3. Environmental Protection System:
Hazardous Solid and Waste Solid Treatment (sludge, shale, chrome mud, red mud, fly ash, coal gangue, filter cake from sugar plant & paper plant, etc.), Dedusting and Flue Gas Purification etc.;
4. Metallurgical & Chemical System:
Mineral processing process for Iron Ore, Bauxite Ore, Kaolin, Copper Ore, Lead & Zinc Ore, Gold Ore, Fluorite Ore, Graphite Ore etc.;
Magnesium Ingot Production Process (Calcination, Pelletizing, Reduction, and Refining);
5. Building Materials System:
Light Expanded Aggregate (LECA), Ceramsite Proppant, Oil Fracturing Proppant, Refractory, Powder, Lime, Cement Production etc.;
Calcination/Sintering Process for Dolomite, Limestone, Magnesite, Bauxite, Kaolin etc….

ZK MACHINE's equipment portfolio includes:
Rotary kilns
Ball mills
Vertical preheaters
Single-drum coolers
Vertical coolers
Dryers
Granulators
Feeders
Dust collectors
Bucket elevators
Crushers
Magnetic separators
Flotation machines
Classifiers
Other auxiliary and process equipment

Among these, rotary kilns and ball mills are core equipment and key process units in many of ZK MACHINE's production systems.

Rotary kiln solutions cover applications including lime, cement and clinker, magnesium, magnesite, dolomite, zinc oxide, LECA, bauxite, kaolin, lithium-bearing materials, and fracturing proppants. ZK MACHINE also provides pilot rotary kilns and indirect-fired rotary kiln solutions for specialized applications.

Ball mill solutions include cement ball mills, raw mills, clinker mills, limestone ball mills, coal mills, air-swept coal mills, rod mills, mining ball mills, continuous and batch ball mills, dry and wet ball mills, ceramic ball mills, grate-discharge and overflow ball mills, as well as specialized grinding solutions for materials such as dolomite, aluminum ash, quartz, and other industrial materials.

Beyond individual machines, ZK MACHINE integrates core equipment with crushing, screening, feeding, mixing, granulation, preheating, drying, cooling, conveying, dust collection, and other auxiliary systems to provide complete and customized process solutions based on material characteristics, production capacity, and process requirements.

Technology, Quality & Innovation

ZK MACHINE has long focused on the optimization and upgrading of traditional industrial processes and equipment while continuously developing solutions for solid waste and hazardous waste treatment and resource recovery.

Our technologies and equipment are designed to support the harmless treatment, volume reduction, stabilization, and resource utilization of waste materials, helping customers improve process efficiency and maximize the value of industrial by-products and waste streams.

ZK MACHINE has participated in the development and drafting of more than 10 industry standards and holds more than 150 core patents and over 20 software copyrights, supporting continued innovation in thermal processing, grinding, solid waste treatment, new energy materials, and other industrial applications.

The company has obtained certifications including:

ISO 14001 Environmental Management System Certification
ISO 9001 Quality Management System Certification
ISO 45001 Occupational Health and Safety Management System Certification
Integration Management System Certification
Environmental Protection Engineering Professional Contracting Qualification

ZK MACHINE has also received various honors and recognitions, including High-Tech Enterprise of Henan Province, Specialized and Innovative Enterprise, and other industry and regional awards.

Our Commitment

ZK MACHINE follows the principles of integrity, precision, reliable quality, and professional service.

Our core philosophy is built around sincere cooperation, quality products, and dependable technical support. We are committed to delivering reliable equipment, practical process solutions, and professional engineering services to customers around the world.

ZK MACHINE — Industrial Process Solutions.