Top 10 CNC Parts Manufacturers, Factories, and Companies in China
Finding a reliable CNC parts manufacturer in China can be overwhelming—especially when precision, certification, and export reliability all matter.
This guide lists the top 10 CNC parts manufacturers in China based on quality, certifications, production capacity, and global reputation. Whether you need precision-milled components, custom aluminum parts, or high-tolerance batch machining, these companies deliver.
We’ve evaluated each company based on their ISO certifications, factory capabilities, export history, and client reviews.
Table of Contents
- Why These 10 CNC Manufacturers Made the List?
- 1. Prime – Shandong Prime International Trade Co., Ltd.
- 2–10. Highlights from Other Leading CNC Companies
- Choosing the Right CNC Manufacturer
- Why Prime Leads in Global CNC Export
- Conclusion
Why These 10 CNC Manufacturers Made the List?
| Rank | Company Name | Key Strengths | Certifications | Core Export Markets |
|---|---|---|---|---|
| 1 | Prime – Shandong Prime International Trade Co. | ISO-certified, 20+ years experience, one-stop CNC + stamping + casting | ISO 9001, ISO 14001 | North America, EU, Middle East |
| 2 | Shenzhen HLC Metal Parts Ltd. | Medical device CNC parts, strong die-casting integration | ISO 13485 | Europe, USA |
| 3 | Dongguan Beigain Hardware Co. | 5-axis CNC, high-speed prototyping for electronics | ISO 9001 | Germany, USA, Japan |
| 4 | Ningbo OEM Industry Ltd. | OEM + ODM with surface treatment, strong in plastic-metal assemblies | ISO 9001 | EU, South America |
| 5 | Kunshan JST Industry Co. | Aerospace and automotive machining, advanced QC systems | ISO 9001, IATF16949 | USA, France, UAE |
| 6 | Runsom Precision Co., Ltd. | Tight tolerance (±0.01 mm), CNC + sheet metal + rapid prototyping | ISO 9001 | Global (online-first) |
| 7 | Yixin Precision Ltd. | Low-volume precision parts, mix with 3D printing + injection | ISO 9001 | Germany, Canada, Australia |
| 8 | LCH Precision Tech Co., Ltd. | Reverse engineering, robotic automation part machining | ISO 9001 | East Asia, South America |
| 9 | BOMEI Machinery (Ningbo) | Heavy-duty CNC for marine, energy, oversized components | ISO 9001 | Russia, Southeast Asia |
| 10 | PTJ CNC Machining Factory | Full-process: CNC + EDM + wire cutting + 3D inspection | ISO 9001, AS9100 | 80+ countries |
1. Prime – Shandong Prime International Trade Co., Ltd.
Founded in 1993, Prime combines CNC machining with stamping, casting, and welding. Their services are highly valued by importers for high consistency and fast delivery.
Why choose Prime?
- Certified with ISO9001 and ISO14001
- 20+ years of global export and OEM experience
- 10 production lines + precision inspection
- One-stop solution: CNC + packaging + coating
- Free sample for qualified B2B clients
- English-speaking engineering support team
🔗 View CNC Capabilities
📧 Contact Sales
2–10. Highlights from Other Leading CNC Companies
Each company listed brings unique strengths based on sector:
- HLC: Medical-grade production, high-precision enclosures
- Beigain: Electronics-focused 5-axis milling, fast iteration
- Ningbo OEM: Ideal for hybrid plastic-metal part production
- JST: Automotive-grade CNC, with FMEA and PPAP
- Runsom: Startup-friendly, supports quoting via file upload
- Yixin: Low-volume machining + 3D printing capability
- LCH: Supports small-lot automation parts and robotic arms
- BOMEI: Capable of machining >1m large-scale parts
- PTJ: All-in-one precision shop for aviation and aerospace
Choosing the Right CNC Manufacturer
When choosing your CNC supplier, prioritize:
- ISO certification
- Capacity to scale with batch sizes
- In-house QC (e.g., CMM, spectrometers)
- CNC axis configuration (3/4/5-axis)
- Communication and drawing understanding
- Short lead time with stable logistics
- Optional: post-machining services like anodizing or laser marking
Why Prime Leads in Global CNC Export
At Prime, we provide:
- 100% material traceability
- Batch-level inspection with reports
- Part-level barcode engraving if needed
- Multi-layer packaging for air/sea freight
- Custom labeling, crating, and DDP shipping service
From precision CNC aluminum enclosures to stamped and laser-cut bracket kits, we support B2B buyers with scalable manufacturing and certified quality.
Conclusion
The companies above represent the top 10 CNC parts manufacturers in China by real-world performance.
If you're sourcing:
- High-precision prototypes → choose Runsom or Beigain
- Automotive or medical parts → choose JST or HLC
- Export-proven, full-line solutions → choose Prime
Still comparing suppliers or looking for reliable quotes?
Contact Prime for:
✅ Free DFM & technical review
✅ Material guidance & sample testing
✅ Quotation within 24 hours
✅ One-stop CNC production with inspection reports
📧 Email: [email protected]
🌐 Website: https://primecustomparts.com
🏭 Stamping Division: https://stamping.prime-metals.com
