Explore our premium custom metal casting and CNC finishing products engineered to withstand maximum stress and extreme environments.
Established in 2013, Ningbo Yinzhou Haochu Machinery Manufacturing Co., Ltd. (known globally as HC MACHINE) has grown to become a modern industrial titan specializing in advanced casting and forging technologies. We provide global OEMs and industrial supply networks with high-precision CNC finished mechanical parts engineered for automotive systems, automated assemblies, agricultural machinery, oil pipelines, and dynamic fluid control valve systems.
By blending advanced metallurgical research with multi-axis computer numerical control (CNC) finishing, HC MACHINE bridges the gap between raw foundry outputs and high-precision machinery tolerances. Over the past decade, our dedication to localized logistics assistance, stringent international compliance, and engineering consultation has solidified our reputation as a trusted manufacturing partner for multi-national buyers.
"Precision Crafts Quality, Innovation Defines the Future" — we build durable engineering foundations to empower the industrial developments of tomorrow.
Integrating state-of-the-art tooling machinery with skilled metallurgists to execute complex geometric structures and tight-tolerance finishes.
Our team comprises over 30% dedicated technical designers, layout programmers, and metallurgical engineers. Ten senior quality assurance inspectors oversee operations, checking material chemistries and verifying dimensional tolerances to maintain a 99.5%+ compliance rating across production batches.
Our machine shop has over 40 modern machining systems, including multi-axis CNC machining centers, high-rigidity CNC lathes, coordinate measuring machines (CMM), and optical spectrometers. This infrastructure allows us to generate annual industrial outputs exceeding RMB 30 Million.
We deploy a three-tier quality control loop that guides parts through first-article configuration checks, in-process routing verification, and automated final testing. Material traceability records, metallurgical inspection certificates, and Coordinate Measuring Machine scans accompany our shipments.
Investment casting, specifically the Silica Sol technique, provides excellent dimensional stability and surface finish for components with complex inner configurations. Unlike basic water-glass casting, silica sol casting limits superficial pitting and scale formation, producing parts with tight tolerances and minimal surface roughness.
Our capabilities include custom LCC Alloy Steel oil valves, hydraulic fittings, and structural engine mounts. Using high-grade raw alloys and silica sol binders, we cast complex valve systems that resist pressure variations, temperature extremes, and aggressive petrochemical corrosion.
Additionally, we manufacture specialized structural elements like customized agricultural tractor parts and link bars, ensuring reliable operation under high loads and harsh environments.
Global procurement teams in Europe, the Americas, and Japan are shifting from basic foundries to integrated manufacturing partners that manage casting, multi-axis machining, and surface treatments. This change is driven by the need to optimize supply chains and eliminate double-handling issues, which often lead to dimensional defects, production delays, and higher shipping costs.
Key requirements for modern industrial buyers include:
HC MACHINE develops precision castings and machined components for challenging industrial applications.
Modern engine, suspension, and transmission components must withstand dynamic loads and mechanical stress. Our team casts and machines high-performance 45# carbon steel and 6061 aluminum alloy components, balancing structural strength and weight saving.
For agricultural machinery, our components are built to resist abrasion and environmental wear. Tractor accessories, links, and hubs undergo specialized thermal treatments and zinc plating, ensuring long-term rust resistance and component life in harsh field environments.
High-pressure piping systems, petrochemical refineries, and natural gas infrastructure demand defect-free structural parts. Standard sand-cast components can suffer from micro-porosity and internal shrinkage, which may lead to leakages under pressure.
Our specialized Silica Sol investment casting process minimizes internal porosity. Combined with CNC-machined threads and flange surfaces, our valve components meet high-pressure containment and fluid-flow safety standards.
To meet the demands of global manufacturing, HC MACHINE has established a development roadmap focused on automation, manufacturing efficiency, and material performance.
We are upgrading our foundry line with robotic slurry dipping systems. Automating shell fabrication ensures consistent refractory layer thickness, reducing dimensional variations in complex castings.
We are expanding our machining capacity with high-rigidity CNC turning centers. Connecting our five-axis machining lines with automated coordinate measuring machines allows for real-time dimension monitoring down to ±0.01mm.
Aligned with global sustainability initiatives, we are optimizing energy efficiency across our electric induction furnaces. Implementing heat-recovery systems and sand recycling programs minimizes raw material waste and carbon footprint.
We understand that raw castings can deteriorate during transit due to humidity and marine corrosion. To protect parts during shipping, HC MACHINE applies specialized rust-preventative treatments and secure packaging systems.
Before packing, machined surfaces are coated with high-performance anti-rust oils or undergo zinc/zinc-nickel plating processes. Components are then individually wrapped in VCI (Vapor Corrosion Inhibitor) materials, packed into sturdy boxes, and secured on fumigated wooden pallets suitable for sea freight.
Our logistical team handles complete customs clearance paperwork, certificates of origin, and international compliance documentations. This streamlined export process ensures hassle-free delivery to North American and European ports under FOB, CIF, or DDP terms.
Answers to common engineering, logistical, and commercial inquiries from global procurement managers.
Check out our highly requested components sold globally. These components undergo 100% inspection before dispatch.
Highly accurate shaft and rotor structures finished on high-precision cylindrical grinders to ensure minimal run-out tolerances.
High-pressure unions designed to secure pipelines in oil extraction plants. Threaded connections comply with international API certifications.
Machined structural blocks protected by electro-galvanized coatings, withstanding over 96 hours of salt spray testing.
Additional high-durability products engineered for construction, machinery, automotive, and industrial piping applications.
Haochu Machinery
