Haochu Machinery
Delivering ±0.02mm machining accuracy for automotive, agricultural, valve & industrial automation industries since 2013. ISO 9001 Certified · Low MOQ · 7–12 Day Prototyping.
Ningbo Yinzhou Haochu Machinery Manufacturing Co., Ltd. (established in 2013) is a modern manufacturing enterprise specializing in the research, production, and service of casting and forging technologies. Driven by innovation, the company is committed to delivering high-precision machining solutions for industries such as automotive parts, agricultural machinery, valves, and industrial automation.
Over more than 12 years of continuous growth, Hao Chu has built a reputation for engineering excellence, combining a highly skilled workforce with state-of-the-art production equipment to serve renowned domestic and international clients with consistent, reliable quality.
Silica sol investment casting & sand casting for complex geometries.
Alloy steel forging with tight tolerances for demanding applications.
40+ modern machining centers achieving ±0.02mm accuracy.
ISO 9001 quality management with three-tier inspection process.
From investment casting to CNC-machined forged components, our product range covers the full spectrum of precision manufacturing needs.
Three pillars of excellence that set Hao Chu apart from the competition in precision casting and forging manufacturing.
Our workforce comprises 30% technical staff, including 10 senior quality inspectors who maintain end-to-end quality control from raw material sourcing to final delivery, achieving a 99.5%+ product qualification rate consistently.
A fleet of 40+ modern machines — including CNC lathes, multi-axis machining centers, and Coordinate Measuring Machines (CMMs) — enables high-precision production with an annual capacity exceeding RMB 30 million.
Our ISO 9001-certified three-tier inspection system ensures every component meets stringent specifications. This rigorous framework has built lasting trust with renowned domestic and international clients worldwide.
"Precision Crafts Quality, Innovation Defines the Future" — we deliver smarter and more reliable solutions for global industries. With technology as our backbone and responsibility as our soul, we strive to illuminate the global stage with China's intelligent manufacturing excellence.
Every component passes through our rigorous four-stage manufacturing and inspection pipeline before reaching our clients.
Certified alloy steel and casting materials are verified against chemical composition and mechanical property standards before production begins.
Silica sol investment casting or closed-die forging processes are applied under controlled conditions to form near-net-shape components.
40+ CNC lathes and machining centers deliver ±0.02mm tolerances with surface finishes tailored to each application's requirements.
Coordinate Measuring Machines perform dimensional verification. Only parts meeting 100% specification pass our three-tier ISO 9001 sign-off.
The company has a dedicated technical team and professional quality control personnel, ensuring product quality at every stage of manufacturing through systematic documentation and traceability.
ISO 9001 certified with a three-level inspection process — incoming, in-process, and final — ensuring reliable and consistent product quality that meets international standards.
The company operates modern machining equipment and high-precision inspection instruments including CMMs, meeting strict precision requirements for complex geometries and tight tolerances.
"Precision Crafts Quality, Innovation Defines the Future" — we deliver smarter and more reliable solutions for global industries across four key sectors.
Engine, transmission & brake system components
Tractor accessories & harvester structural parts
Oil & gas valve bodies, pipeline connectors
Robotic & automation system structural parts
Merging R&D, production and service, we aim to set a world-class benchmark in machinery manufacturing with these globally trusted product lines.
Our Ningbo manufacturing base houses a comprehensive production ecosystem. From wax pattern injection for investment casting through to CNC multi-axis finishing and surface treatment lines, every process is executed under one roof with full traceability.
The facility is designed around lean manufacturing principles, ensuring minimal waste, rapid changeover, and consistent output quality — enabling us to fulfill both small-batch prototype orders and large-volume production runs with equal efficiency.
We are committed to becoming a global innovation leader in high-end equipment manufacturing, driving precision engineering with smart technologies and empowering the future of industry through sustainable development. By advancing intelligent, digital, and green technologies, we aim to establish a world-class benchmark in machinery manufacturing that integrates R&D, production, and service.
Guided by our core philosophy of "Precision Crafts Quality, Innovation Defines the Future," we foster efficient industry collaboration and elevate customer value by delivering smarter, more reliable solutions for global industries. Upholding green manufacturing principles, we build a low-carbon, resource-efficient ecosystem, fulfill social responsibilities, support employee growth, and drive community prosperity to achieve our ultimate mission: "Intelligently Crafting a Better World."
With technology as our backbone and responsibility as our soul, we strive to illuminate the global stage with China's intelligent manufacturing excellence.
A 98% repurchase rate reflects the trust our clients place in Hao Chu's precision, reliability, and commitment to quality.
"Hao Chu delivered our custom alloy steel valve components with exceptional dimensional accuracy. The ±0.02mm tolerance was consistently maintained across the entire batch. Their ISO 9001 process gives us full confidence in every order."
"We sourced precision tractor accessory forgings from Hao Chu for our agricultural machinery line. The 7-day prototype turnaround was impressive, and the surface finish quality exceeded our specifications. Highly recommended supplier."
"After trialing three Chinese casting suppliers, Hao Chu stood out for their three-tier inspection documentation and traceability. Our automotive brake components passed all first-article inspections without a single NCR. Excellent partner."
Our certifications and quality systems provide our global clients with the assurance they need to source with confidence.
Our Quality Management System is certified to ISO 9001:2015, covering the full manufacturing lifecycle from design review through final inspection and delivery. This certification validates our systematic approach to quality assurance.
CERTIFIEDEvery product passes three independent inspection stages: incoming material verification, in-process dimensional checks, and final CMM-based acceptance testing. This layered system achieves a 99.5%+ first-pass qualification rate.
VERIFIEDSince 2013, Hao Chu has accumulated deep domain expertise in casting, forging, and precision CNC machining. Our team of 30% technical staff brings specialized knowledge to every project, from feasibility analysis to production optimization.
EXPERIENCEDMerging R&D, production and service, we aim to set a world-class benchmark in machinery manufacturing. Our precision casting and forging components serve clients across four continents, with a proven track record in demanding industrial environments.
Germany, UK, France, Italy — automotive & industrial precision parts
USA, Canada — agricultural machinery & oil pipeline fittings
Japan, South Korea, Australia — automation & valve components
UAE, Saudi Arabia — oil & gas valve bodies, forged fittings
Partner with Hao Chu for precision casting, forging, and CNC machining solutions that meet the most demanding international quality standards. Low MOQ, fast sampling, and over 12 years of proven expertise.
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