Custom & Precision Manufacturing Solutions
At Yijin Solution, we offer comprehensive custom manufacturing services, combining modern technologies such as CNC machining, sheet metal fabrication, custom fasteners, 3D printing, die casting, and injection molding. We specialize in providing custom manufacturing solutions for global industries, delivering precision-engineered components that meet your exact specifications.
- 25+ Years of Manufacturing Expertise
- 500,000+ Precision Parts Produced Annually
- 150+ Advanced CNC Machines
- 10,000+ Satisfied Clients Worldwide
- Free Parts Design Service
Whether you’re seeking custom parts manufacturing or require comprehensive custom contract manufacturing services, Yijin Solution is your trusted partner for all your manufacturing needs.
- Prototypes, Small Batch Production, or Mass Manufacturing
- Custom Part Design Services for a Wide Range of Applications
- Choose from Over 99+ Certified Materials for Your Custom Manufacturing Needs
- Detailed Certifications including CoCs, Material Certifications, and Inspection Reports
- Supporting OEM & ODM Services for Tailored Solutions
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Custom Manufacturing Services On Demand
Custom CNC Machining Service
At Yijin Solution, you can enjoy one-stop online CNC machining services. We specialize in Precision Machined Components, and Stainless Steel Machined Parts for global industries.
- 3-, 4- & 5-Axis CNC Machining for Precision Components.
- CNC Machined Parts Design Services.
- Offer CoCs, Material Certifications, Inspection Reports and Hardware Certifications. OEM & ODM Supported
Sheet Metal Fabrication Service
At Yijin Solution, we specialize in providing precise, reliable, and fully customized sheet metal fabrication services designed to meet the specific needs of your OEM projects.
Our experienced team leverages advanced technology and extensive industry expertise to deliver high-quality, cost-effective solutions that align with your production requirements and exceed your expectations.
3D Printing Service
We provide fast, high-quality 3D printing services designed to turn your digital designs into physical prototypes or end-use parts in just 1-5 business days.
With access to a wide range of 3D printing technologies and over 50 engineering-grade materials, we are equipped to handle diverse project needs—from rapid prototyping to full-scale production.
Injection Molding Service
We specialize in custom injection molding, transforming raw plastic pellets into high-precision, complex components with unmatched consistency and cost-effectiveness. As an experienced injection molding manufacturer, we operate a wide range of injection molding equipment, from 30-ton machines ideal for producing small, intricate parts, to large-scale 1800-ton presses capable of high-volume production for sizable components.
Die Casting Service
At Yijin Solution, we provide die casting services for high-volume production. We specialize in aluminum, zinc, and magnesium alloy die castings for automotive, electronics, and industrial applications.
- High-Pressure Die Casting (HPDC) with tolerances to ±0.05mm
- Cold Chamber & Hot Chamber processes
- Secondary Operations: CNC machining, surface finishing, assembly
- Complete documentation: FAIR, material certifications, dimensional reports
- OEM & ODM supported
Custom Fasteners
At Yijin Solution, we provide custom fastener manufacturing for high-volume production. We specialize in stainless steel, carbon steel, and alloy fasteners for automotive, electronics, and industrial applications.
- Cold Heading & CNC Turning with tolerances to ±0.02mm
- Multi-station forming & Swiss machining processes
- Secondary Operations: Heat treatment, surface plating, optical sorting
- Complete documentation: PPAP, material certs, dimensional reports
- OEM & ODM supported

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Why Choose Yijin Solution
We combine in-house engineering expertise with advanced CAD tools to guarantee fabrication to exact specifications. This precision minimizes material waste and labor costs, ensuring faster turnaround times. By eliminating fitment errors, we prevent production bottlenecks and maximize overall project efficiency.
Leverage our award-winning engineering support (Red Dot & Golden Pin) for Design for Manufacturability (DFM) at no extra cost. We optimize part geometries to reduce machining time and material waste, ensuring a seamless transition from prototype to mass production.
Our facility is certified for high-liability sectors, holding AS9100D (Aerospace), IATF 16949 (Automotive), and ISO 13485 (Medical) accreditations. We also maintain strict adherence to ISO 9001 quality and ISO 14001 environmental management standards.
We ensure zero defects using CMM, VMS, and automated optical sorting. Every production run is backed by full lot traceability and a complete documentation package, including First Article Inspection (FAIR), PPAP Level 3, and material composition analysis.

Yijin Solution Tour
Factory View
CNC Machined Parts Samples
Machined Parts Sample

Hard Anodized Aluminum

Automotive Casting

Custom Fasteners
All Custom Manufacturing Services
FAQs About Our Manufacturing Services
We are a direct manufacturer. We operate our own production facilities, giving us full control over quality, scheduling, and pricing without middleman costs.
Our standard lead times are 1–3 working days for samples and 3–7 working days for bulk production, subject to order volume and part complexity.
Simply provide your technical drawings (2D/3D CAD), reference photos, or physical prototypes. Our engineering team will evaluate the manufacturability and provide a detailed quote and feasibility assessment.
We adhere to strict Intellectual Property (IP) protection protocols. We are fully prepared to sign a Non-Disclosure Agreement (NDA) before receiving any sensitive data to ensure your proprietary designs remain secure.
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