Henan Hanhai Metallurgy Mining International Trade Co., LTD is a preeminent foundry manufacturer and engineering design group located in the heartland of China's heavy industrial cluster. We specialize in the development, melting, structural optimization, and machining of high-strength steel and cast iron components. Through decades of technical iteration, our production footprint has expanded to serve the primary crushing, cement processing, metallurgical smelting, and heavy energy generation industries globally.
Our operational framework integrates raw material control, complex pattern design, high-volume electric arc melting, advanced thermal processing, and high-precision CNC machining. With an annual foundry output exceeding 80,000 tons, Hanhai Casting guarantees mechanical component integrity verified by ISO9001 and CE standards. Our solutions are deployed in extreme environments across Asia, the Middle East, Europe, and South America, delivering the structural confidence needed for high-load, high-impact industrial operations.
To empower global infrastructure and mineral extraction industries with precision casting engineering and sustainable, high-integrity manufacturing excellence.
To be recognized globally as the premier technological partner and foundry brand for critical steel and iron structural casting components.
Hanhai Casting established basic foundry operations in heavy steel and cast iron parts, refining melting control and establishing core metallurgical practices.
Introduced electric arc furnace upgrades, vacuum-process molding lines, and expanded heavy component capacities for large-scale mining operations.
Achieved rigorous ISO9001 and CE certifications, updated testing facilities, and commenced direct exports to European and Asian target markets.
Integration of digital twin simulation modeling, green smelting systems, and intelligent ERP tracking to enhance project transparency and efficiency.
Jaw crushers are subjected to extreme compressive stresses and high-frequency cyclical shock loads when processing abrasive materials like granites, quartzites, and copper ores. The structural framework—especially the pitman (swing jaw), the main frame casting, and the end caps—must absorb these energy releases without micro-fracturing or deformation. High-quality primary crushing relies on maintaining structural rigidity; any deflection in the frame immediately causes energy loss and accelerates mechanical wear across toggle plates and eccentric shafts.
To withstand this load profile, Hanhai Metallurgy Mining utilizes alloy steels customized with precise elements (such as manganese, chromium, nickel, and molybdenum). Our castings undergo specialized structural heat treatment regimes (Normalizing, Annealing, and tempering cycles) that eliminate internal thermal stress gradients. The result is a structure with high tensile strength combined with structural elasticity, preventing crack initiation even under sub-zero operating conditions.
The concentration of mining machinery manufacturing in Henan, China provides unique structural and logistical benefits for international buyers:
At Hanhai Casting, reliability is proven by data. Our quality verification department executes non-destructive testing (NDT) standards including:
Different industrial environments require specific metallurgical properties. Selecting the incorrect material composition leads to premature mechanical failures and costly production downtime. The table below outlines typical application profiles and recommended material guidelines:
| Industrial Sector | Operational Challenges | Recommended Casting Component Material | Key Performance Metric |
|---|---|---|---|
| Hard Rock & Aggregate Quarries | High abrasiveness, structural vibrations, persistent compression. | Austenitic Manganese Steel (Mn18Cr2, Mn22Cr2) / Low Alloy Steel | Work-hardening properties, impact fracture resistance. |
| Metallurgical Slag Processing | Fluctuating thermal profiles, heavy impacts, sharp particulate wear. | High-Chromium Alloyed Cast Irons & Carbon Steel Assemblies | Thermal fatigue resistance, surface abrasion tolerance. |
| Cement & Clinker Mills | Continuous fine dust abrasion, dry friction contact. | Alloy Cast Steel & Ductile Iron Components | Wear life extension, structural uniformity. |
| Sub-Zero Arctic Mining | Low-temperature brittleness, risk of sudden structural shattering. | Specialized Low-Alloy Steel with Ni-Cr additions (annealed) | Charpy V-Notch impact values maintained at -40°C. |
Widely used in mining, metallurgy, construction, chemicals, infrastructure, and recycling for crushing ores, rocks, aggregates, slag, and industrial materials.
Applied in cement, mining, metallurgy, and heavy industry for crushers, mills, rotary kilns, and other large-scale processing equipment.
Designed for forging, metallurgy, and heavy manufacturing, supporting hydraulic presses and high-load, large-tonnage forming equipment.
Used in hydraulic systems, construction machinery, and energy equipment for valve manifolds, large valve bodies, and fluid control components.
Our service process is designed to ensure clear communication, precise solution matching, stable manufacturing, and long-term operational reliability, from initial inquiry to after-sales support.
Project Requirement Collection: Gathering environmental constraints, CAD models, material targets, and load specifications.
Customized Crushing Proposal: Running simulation algorithms to match mechanical parts with operating conditions.
Specification & Commercial Confirmation: Agreeing on tolerances, steel grade composition bounds, and delivery times.
In-House Production & Quality Control: Pattern production, molding, melting, heat treatment, and precision machining.
Pre-Shipment Inspection: NDT test checks, chemical spectrum confirmation, and dimension tolerances verification.
Safe Packing and Global Shipping: Rust prevention coatings, reinforced wooden/steel crates, and customs handling.
Technical Support Site/Online: Providing engineering alignment guidance and on-site positioning instruction.
Equipment Maintenance Handover: Providing user documentation, wear analysis logs, and maintenance instructions.
Long-Term Service & Parts: Consumables and spare parts replacement program to ensure uptime.
Hanhai