China remains the world's leading hub for precision CNC machining（https://www.haizol.com/news/cnc-machining-industry-china-report-2026）. Whether you need aluminum brackets, stainless steel shafts, or complex multi-material assemblies, sourcing from a reliable Chinese manufacturer can significantly reduce lead time and cost without compromising quality. The country's manufacturing ecosystem — spanning Shenzhen, Dongguan, Suzhou, and beyond — has matured into a globally competitive landscape backed by ISO-certified factories, advanced 5-axis machinery, and experienced engineering teams.
This guide profiles 10 reputable CNC machining suppliers in China, covering their founding history, core capabilities, location, and relevant website links. It is intended to help procurement managers, product engineers, and sourcing teams build a reliable shortlist when looking for custom part production partners.
| # | Company | Founded | Location | Core Capabilities | Materials | Website |
|---|---|---|---|---|---|---|
| 1 | MK MACHINERY | — | China | CNC milling, turning, drilling, surface finishing; quote from 2D/3D drawings; no MOQ | Al, SS, brass, copper, Ti, engineering plastics | mk-cnc.com |
| 2 | RapidDirect | 2009 | Shenzhen | 3–5 axis milling & turning, sheet metal, injection molding, 3D printing; AI instant quote | Metals + engineering plastics | rapiddirect.com |
| 3 | Yijin Solution | 2003 | Shenzhen | Multi-axis milling & turning, DFM consulting, heat treatment, plating | Al, SS, Ti, engineering plastics | yijinsolution.com |
| 4 | WayKen | 2002 | Shenzhen | 3–5 axis milling & turning, vacuum casting, rapid tooling; optical-grade plastics | Metals, transparent plastics (acrylic, PC) | waykenrm.com |
| 5 | Runsom Precision | c.2010 | Dongguan | Milling, turning, EDM, grinding, wire cutting; ±0.005 mm; CMM inspection | Al 6061/7075, SS 303/316, Ti, Cu, PEEK, Delrin | runsom.com |
| 6 | 3ERP | 2010 | Zhongshan | 32× 5-axis mills, turning, EDM, wire cutting, Swiss; ±0.01 mm; 10k+ parts/month | 100+ engineering metals & plastics | 3erp.com |
| 7 | Ultirapid | 2008 | Dongguan | ~1,000 CNC machines; milling, turning, drilling; anodizing, plating, heat treatment | Al, steel, brass, Cu, engineering plastics | ultirapid.com |
| 8 | HLH Prototypes | 2008 | Shenzhen | CNC machining + SLA/SLS 3D printing + vacuum casting + injection molding; assembly | Metals + plastics | hlhprototypes.com |
| 9 | Richconn | 2012 | Shenzhen + Dongguan | 5-axis milling, CNC turning ±0.01 mm, Swiss, grinding, EDM; 1M parts/yr; no MOQ | Ceramics, carbon fiber, Ti, tungsten steel + standard metals/plastics | richconn-cnc.com |
| 10 | Baosheng Industry | 2005 | Shenzhen | CNC milling, turning, lathe, plastic machining, rapid prototyping, injection molding | Al, steel, Cu, engineering polymers | baoshengindustry.com |
1. MK MACHINERY
MK MACHINERY is a China-based CNC machining service provider specializing in custom hardware component fabrication. The company's core proposition is straightforward and practical: clients supply engineering drawings — whether 2D technical drawings or 3D CAD files — and MK MACHINERY handles material selection, machining, and finishing to deliver ready-to-use parts. This drawing-based workflow removes the friction often associated with custom part sourcing, making MK MACHINERY accessible to engineering teams, procurement departments, and product developers who need precise components without navigating complex supplier qualification processes. The company serves international buyers across a broad range of industries, offering flexible order quantities with no restrictive minimum order requirements.
MK MACHINERY's key differentiator is its material versatility combined with a fully drawing-driven quoting process. The company machines aluminum alloys, stainless steel, brass, copper, titanium, and a range of engineering plastics — covering the material requirements of most industrial, mechanical, and structural applications. Processes include CNC milling, turning, drilling, and secondary surface finishing (such as anodizing, plating, and polishing), all handled in-house. For buyers who regularly source custom metal parts and need a supplier capable of quoting accurately from existing drawings without back-and-forth on specifications, MK MACHINERY offers a reliable and efficient entry point into China's precision manufacturing ecosystem.
2. RapidDirect
RapidDirect was founded in 2009 and has grown into one of China's most recognized names in on-demand custom manufacturing. Headquartered in Shenzhen, the company operates its own ISO 9001:2015 and ISO 13485:2016 certified manufacturing facility while also coordinating a broader network of vetted production partners across China.
In 2019, RapidDirect launched its proprietary online manufacturing platform, enabling international buyers to upload CAD files, receive automated quotes within minutes, and manage orders digitally from design to delivery. The platform has made RapidDirect particularly popular among startups, R&D teams, and product engineers working on iterative development cycles.
3. Yijin Solution
Founded in 2003 under the name Yijin Hardware, this Shenzhen-based company rebranded to Yijin Solution in recent years to better reflect its expanded service portfolio. With over two decades of CNC machining experience, Yijin Solution serves clients in aerospace, automotive, medical devices, and industrial manufacturing.
The company operates from a 25,000-square-meter facility with more than 100 staff members, supporting both prototype development and volume production. Its long operational history and continued investment in equipment and quality systems have made it a reliable partner for internationally-oriented procurement teams.
4. WayKen Rapid Manufacturing
WayKen Rapid Manufacturing was established in 2002 and is among the longer-running precision machining companies in the Shenzhen ecosystem. The company built its reputation on rapid prototyping services and has since expanded into low-volume and on-demand manufacturing across a range of processes.
WayKen operates as an ISO 9001-certified factory, with a team of trained engineers who manage the full lifecycle of part production — from drawing review and material selection through to post-processing and quality inspection. The company is commonly used by product development teams in the automotive, medical, and consumer electronics sectors.
5. Runsom Precision
Runsom Precision is a Dongguan-based CNC machining manufacturer with ISO 9001:2015 certification and a specialization in high-accuracy custom parts. The company has developed a strong track record in serving engineering-focused clients who require consistent dimensional tolerances, traceable inspection reports, and material certifications.
Runsom positions itself at the intersection of prototyping and production, handling both one-off samples and moderate volume orders within the same facility and workflow. Its engineering team actively supports clients through material selection, tolerance review, and DFM consultation — making it a practical resource for buyers who are new to sourcing from China.
6. 3ERP (3E Rapid Prototyping)
3ERP — short for 3E Rapid Prototyping — was founded in 2010 in Zhongshan, Guangdong, and has grown into one of China's most internationally recognized rapid manufacturing companies. The company operates on a philosophy it describes as the "Three Es": Excellent, Efficient, and Economic. With a US marketing office in Missouri, 3ERP actively bridges the communication gap that can complicate overseas procurement, making it a practical choice for North American and European engineering teams.
The company holds ISO 9001:2015 certification and serves clients across automotive, aerospace, medical, consumer electronics, and industrial machinery sectors. Its online quoting platform allows buyers to upload CAD files and receive instant pricing, streamlining the early stages of sourcing.
7. Ultirapid Manufacturing
Ultirapid Manufacturing was founded in 2008 and has grown into one of the higher-capacity precision machining facilities in Dongguan. The company operates a fleet of nearly 1,000 CNC machines, including 197 high-precision machining centers, 278 CNC lathes, and 277 three-axis and five-axis machining centers.
This scale of equipment investment positions Ultirapid well for clients with larger or recurring production volumes. The company serves industries including automotive, aerospace, electronics, and general industrial manufacturing, and maintains quality management systems aligned with international standards.
8. HLH Prototypes
HLH Prototypes was established in 2008 and specializes in rapid prototyping services for international product development clients. The company is organized around supporting the product development lifecycle — offering a broad combination of processes (CNC machining, 3D printing, vacuum casting, and injection molding) within a single sourcing relationship.
HLH is commonly selected when buyers need to evaluate and test multiple manufacturing approaches before committing to production tooling. Its responsive project management and English-speaking team make it well-suited to serving clients in the United Kingdom, United States, and mainland Europe.
9. Richconn
Richconn (Shenzhen Richconn Technology Co., Ltd.) was established in 2012 and operates dual manufacturing bases in Shenzhen and Dongguan — totaling approximately 8,000 square meters of production space. The company maintains a fleet of around 200 precision machining tools, including over 100 CNC machining centers with 3/4/5-axis capability, supported by 20 sets of dedicated inspection equipment.
With more than 200 staff members — including 30 engineers and 12 senior technical specialists — Richconn produces approximately one million parts annually. The company serves clients across medical, automation, machine tool, and electronics industries, and has established offices in Shenzhen and Hong Kong to support international account management.
10. Baosheng Industry
Baosheng Industry was established in 2005 and has operated primarily in the domestic Chinese market for most of its history, building a strong reputation for precision machining quality within China before expanding its international outreach.
The company offers a comprehensive range of CNC machining, rapid prototyping, injection molding, and sheet metal fabrication services from its Shenzhen facility. Baosheng's domestic-first background has given it deep familiarity with high-volume production disciplines and cost-efficient process management — skills that translate well for international buyers seeking reliable production at competitive pricing.
Looking for a Reliable CNC Machining Partner? Consider MK MACHINERY
If you are sourcing custom CNC-machined hardware components and need a supplier that can work directly from your engineering drawings — across a wide range of materials — MK MACHINERY is worth evaluating. Based in China, MK MACHINERY（首页） specializes in custom CNC metal parts fabrication（对应支柱页）, supporting aluminum, stainless steel, brass, copper, titanium, and engineering plastics. Whether you need precision turned shafts, milled brackets, or complex multi-feature housings, the team can quote directly from 2D drawings or 3D CAD files with no minimum order quantity restrictions. MK MACHINERY's manufacturing process covers milling, turning, drilling, and surface finishing under one roof, with quality inspections on every batch. For procurement teams and product engineers looking for a flexible, drawing-based CNC partner in China, we welcome you to get in touch.
Visit us at: https://www.mk-cnc.com — Send us your drawings and let's discuss how we can support your next project.
