High-performance processing equipment engineering solutions designed for modern agricultural, chemical, and powder processing factories.
Henan Jiujie Machine Co., Ltd. is a professional supplier of complete equipment and engineering services for the food production and grain processing industries. Our business covers a wide range of applications, including wheat flour milling plants, feed processing factories, and rice processing plants. By integrating research, precision design, and custom engineering, we deliver systems optimized for demanding commercial environments.
Our product portfolio includes conveying equipment, cleaning equipment, flour milling equipment, and other related machinery. Over the years, our products have been widely recognized by customers both in domestic and international markets. Backed by solid research frameworks and technical expertise, we provide high-precision solutions suited for processing thermal-sensitive and complex material structures.
Since its establishment, Henan Jiujie Machine Co., Ltd. has been dedicated to the research and development of grain processing technology and machinery. With extensive industry experience, we are able to provide integrated solutions across the entire grain and food processing industrial chain. Our solutions cover multiple stages, including raw material collection, storage, cleaning, grading, sieving, grinding, mixing, shaping, production, and packaging.
"By operating at the intersection of thermal safety and fine powder dynamics, Henan Jiujie Machine Co., Ltd. develops state-of-the-art processing systems. Our CE-certified technologies guarantee clean, waterless production lines with zero chemical trace components, optimizing both operating cost and output purity."
Why Modern Industries Are Migrating to Ultra-Low Temperature Milling Solutions
Traditional grinding processes generate substantial mechanical friction, elevating temperatures to levels that can alter, degrade, or destroy sensitive materials. High temperatures can cause volatile oils to evaporate in spices, melt polymers into sticky residues, and denature functional proteins or active pharmaceutical ingredients (APIs). A Cryogenic Grinding System solves these issues by cooling materials below their glass transition point (embrittlement temperature) using liquid nitrogen or chilled air before and during milling.
Milling plastics, elastomers, and rubber compounds without degradation. High-speed cooling embrittles materials to yield ultra-fine micro-powders for additive manufacturing and specialized coatings.
Preserves volatile essential oils, natural colors, and nutritional values. Highly active components like pollen, oily spices, and grain nutrients remain unaltered by operational heat buildup.
Prevents dust explosions by maintaining an inert gaseous atmosphere (nitrogen) during the milling process, protecting factory personnel and equipment from combustion risks.
| Material Parameter | Traditional Mechanical Grinding | Cryogenic Grinding Systems |
|---|---|---|
| Operating Temperature | Ambient to +80°C (heat generation) | Sub-zero control (-10°C down to -196°C) |
| Particle Size Achievement | Coarse to Medium (150 - 500 microns) | Ultra-fine Micro-powders (down to 10-45 microns) |
| Oil & Flavor Retention | Significant loss due to evaporation | Near-perfect preservation (>95% retention) |
| Explosion Risk | High risk with fine organic dusts | Extremely low due to inert nitrogen environment |
Aligning with International Supply Chains and Industry 4.0 Standards
As manufacturing specifications tighten worldwide, standard crushing and sifting machinery must adapt to specialized environmental demands. In the European Union and North America, strict limits on environmental discharge, thermal emissions, and food safety regulations drive the demand for CE-marked machinery. Manufacturers require equipment that eliminates the use of chemical coolant additives while ensuring clean, wastewater-free processing operations.
Henan Jiujie Machine Co., Ltd. addresses this global shift by supplying dry cleaning and sorting configurations that reduce wastewater discharge to zero. This sustainable footprint, combined with heavy-duty construction, allows global processors to integrate our systems directly into high-throughput, automated production lines. Our systems are engineered to interface with modern SCADA software, enabling remote temperature tracking, automated gas flow management, and continuous load balancing.
Our milling, sifting, and conveying solutions are constructed using modular architectures. This permits seamless layout configuration matching in retrofitted processing plants across Europe, South-East Asia, and the Americas.
Inside Henan Jiujie Machine Co., Ltd.'s Industrial Assembly and Engineering Facility
Our flour milling equipment has obtained the ISO9001 quality management system certification and CE certification. The environmental protection standards of our equipment comply with relevant EU requirements. Our grain cleaning process is designed to operate without water usage, ensuring no wastewater discharge and supporting environmentally friendly production. These features are backed by heavy-duty CNC machining and robot-assisted fabrication processes that ensure every unit complies with industrial load tolerances.
Our products are characterized not only by stable performance but also by easy installation, convenient maintenance, and low operating costs. With advanced technology, reliable quality, and modern design, our equipment has earned high appreciation from clients worldwide. To maintain this high-level manufacturing precision, we utilize high-specification CNC fabrication arrays:
Precision Machinery Array: We utilize CNC laser cutting machines, CNC bending machines, CNC lathes, CNC machining centers, CNC boring machines, surface grinding machines, and planers. The manufacturing processes include steel plate laser cutting, CNC bending, CO₂ arc welding, argon arc welding, robotic welding, and electrostatic surface treatment.
Cutting
Punching
Welding
Painting
Assembling
Laser Cutting Machine
CNC Lathe
Punching Machine
Bending Machine
Painting Line
Welding Machine
Sawing Machine
How We Support Global Operators from Initial Design to On-Site Implementation
As a professional industrial solution provider, Henan Jiujie Machine Co., Ltd. delivers not only equipment but also comprehensive production solutions that enhance the overall value chain for our customers.
By utilizing AutoCAD-based engineering design systems and advanced machining centers, we are able to provide high-precision, durable products at competitive prices. We are committed to offering complete pre-sales consultation, technical support, and reliable after-sales service.
We configure localized operations frameworks by ensuring every machine shipped includes complete technical schematics, installation coordinates, electrical compliance certificates, and operating manuals mapped to regional industrial criteria. In addition, our after-sales network assists operators in setting optimal gas pressure, nitrogen ratios, and feed rates to achieve stable material yields.
Customer satisfaction is always our top priority. We sincerely welcome partners and friends from all over the world to contact us and cooperate for mutual success. Our engineering team provides support through:
Navigating the Next Generation of Cold Grinding Solutions
Integrating closed-loop thermal sensors at the milling chamber exit to modulate cryogenic flow in real-time, reducing nitrogen consumption by up to 30%.
Capturing exhausted gaseous nitrogen to pre-cool incoming raw feedstocks, maximizing energy efficiency across continuous processing setups.
Deploying specialized tungsten-carbide coatings on internal rotor blades to prevent surface deformation at temperatures reaching -196°C.
Crucial Insights for Factory Managers and Procurement Specialists
Cryogenic grinding is essential for materials that are thermal-sensitive, have a low melting point, or contain highly volatile compounds. Typical materials include plastics (like TPU, EVA, and polypropylene), natural elastomers, oily or moist food products (such as pollen, spices, and seeds), pharmaceuticals, and explosive-prone chemical powders.
Our entire engineering cycle, from structural CAD modeling to physical robotic welding and electrostatic powder coating, adheres to ISO9001 and CE directives. This covers low-voltage electrical safety, machinery movement isolation, environmental emissions standards, and sanitation design parameters required within the European Economic Area.
Yes. Our grain cleaning, separation, and milling processes operate on a dry, water-free process path. This ensures that zero industrial wastewater is discharged, helping factories comply with regional ecological and wastewater treatment regulations.
We provide comprehensive engineering services including detailed layout designs, installation guidelines, remote calibration assistance, and critical spare parts replenishment. Our systems are built using standard industrial interfaces, making routine maintenance straightforward for local site teams.
Operating at ultra-low temperatures can increase the brittleness of standard metals. To prevent structural fatigue, we utilize high-precision CNC machining centers to process selected alloys that maintain toughness and wear resistance under cryogenic conditions.
Complete plant machinery and components engineered to increase capacity, stability, and sorting accuracy.
Jiujie Machine
