Struggling to find a reliable precision CNC machining supplier in China? You’re not alone. With hundreds of factories claiming top-notch quality, it’s easy to feel overwhelmed and worried about making the wrong choice. Choosing the right manufacturer can mean the difference between flawless parts delivered on time and costly project delays. The best suppliers ensure consistent quality, competitive pricing, and peace of mind throughout your production process. Curious which factories rise above the rest?
Let’s dive in and discover China’s top CNC machining suppliers—so you can make your next project a success!
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Top 100 CNC Machining Manufacturers in China (2025) | ensun
Top 11 CNC Machining Companies in China 2024 – Runsom Precision
Product Details:
Runsom Precision Co., Ltd offers one-stop custom CNC machined parts manufacturing, specializing in parts with intricate geometries and high aesthetic requirements. The company also provides 3D printing, sheet metal fabrication, injection molding, and high-end surface finishing. Customers receive cost-effective solutions, rapid prototyping, and professional engineering support through an online process from quote to delivery.
Technical Parameters:
– Instant online CNC machining quotations
– In-house, advanced CNC machinery for custom parts production
– Quality assurance via advanced QA test equipment and strict inspection
– Support for rapid prototyping and design for manufacturability (DFM)
Application Scenarios:
– Rapid prototyping for new product development
– Short-run or mass production of precision CNC parts
– Projects requiring intricate or high-aesthetic custom components
– Applications needing full-service—from design support to finished part delivery
Pros:
– Instant online quotation and seamless order process
– In-house advanced machinery ensures streamlined production and reduced lead
– Strict quality assurance for high precision and consistency
– Comprehensive services include CNC, 3D printing, sheet metal, injection molding
10 China CNC Machining Manufacturers and Companies
Product Details:
Precision CNC machining services including CNC turning, CNC milling, sheet metal fabrication, metal laser cutting, and plasma cutting, provided for custom parts manufacturing from prototyping to mass production. Services cater to industries such as aerospace, medical, semiconductor, robotics, and more.
Technical Parameters:
– 3-, 4-, and 5-axis CNC machining centers available
– Accuracy and tolerances as tight as 0.01 mm (some companies as tight as 0.001
– Over 99+ certified material options including metals and plastics
– Surface finishes down to Ra0.2μm available
Application Scenarios:
– Prototyping and low-volume manufacturing for new product development
– Mass production of precision-engineered parts
– Production for aerospace, medical, semiconductor, and robotics industries
– Bridge production to speed up market entry
Pros:
– Cutting-edge equipment and extensive manufacturing capacity
– Wide material and surface finish options
– Short lead times with rapid quoting and delivery (parts in as little as one day
– Professional DFM (Design for Manufacturability) guidance for improved quality
Cons:
– No detailed information provided about possible limitations with very
– Potential lead time/capacity bottlenecks not specified
– Detailed post-processing or secondary service limitations (if any) are not
China CNC Machining Services – Custom Precision Parts – JTR
Product Details:
JTR MACHINE offers high-quality rapid prototyping and mass manufacturing services, including CNC machining, CNC milling, CNC turning, rapid tooling and injection molding, sheet metal prototyping and fabrication, die casting, 3D printing, mold making, and surface finishing. The company serves a broad client base with an ISO9001:2008 and TS16949 certified quality system and IATF transition audit certification.
Technical Parameters:
– More than 70 types of precision CNC processing equipment
– Possession of high-precision Hexagon CMM three-coordinate detectors, projectors
– ISO9001:2008 and TS16949 quality system certifications (since 2015), IATF
Application Scenarios:
– Automotive: rapid prototyping and production of both custom and mass automotive
– Semiconductor: high-precision machining of components from materials such as
– Aerospace: manufacturing of safety-critical, high-precision aircraft parts
– Agriculture: production of large, complex parts for agricultural equipment
Pros:
– Fast turnaround: get quotes in hours and parts delivered in days
– Wide range of services from prototyping to mass production and finishing
– 24/7 customer consulting service and one-to-one customized service
– Broad industry experience, including serving leading multinationals like BMW
Cons:
– Limited information provided about specific tolerances, material capabilities,
– No explicit mention of minimum order quantities, pricing structure, or lead
China Top 10 Precision Machining Company and Suppliers
Product Details:
CNC precision machining and processing of metal and plastic parts, including services like CNC milling, turning, drilling, plasma cutting, laser machining, electrical discharge machining (EDM), rapid prototyping, and manufacturing of custom and complex components. Products cater to high precision and close tolerance requirements, with capabilities for low-volume, mass production, and complex geometries.
Technical Parameters:
– Tight tolerance finishes for precise parts
– 3-axis, 4-axis, and 5-axis CNC machining capabilities
– Ability to process both metal and plastic materials
– Rapid prototyping and quick-turn manufacturing options
Application Scenarios:
– Automotive parts production
– Aerospace components manufacturing
– Medical instruments and equipment fabrication
– Consumer goods and military equipment manufacturing
Pros:
– High precision and close tolerance manufacturing
– Wide range of machining services and technologies
– Cost-effective, efficient, and rapid production capabilities
– Advanced equipment and skilled workforce ensure quality and complexity handling
Cons:
– Limited reference to drawbacks or limitations in quality control procedures
– Possible communication or coordination challenges due to global client base
CNC Machining China: CNC Precision Machining Factory in China
Product Details:
CNC Machining China Factory provides high-precision custom machined parts and comprehensive CNC machining services, including 3/4/5-axis milling, multi-tasking milling-turning, Swiss-type CNC turning, wire EDM, and CNC grinding for metals and plastics. Advanced equipment from Japan (Mazak INTEGREX i-H, VARIAXIS), in-house quality assurance (CMMs), climate-controlled workshops, and over 20 years of industry experience support their one-stop manufacturing solutions.
Technical Parameters:
– 3-axis, 4-axis, and simultaneous 5-axis CNC milling capabilities
– Mazak INTEGREX i-250H S Multi-Tasking Center and VARIAXIS i-600 5-axis vertical
– Swiss-type CNC lathes: Star SR-32JM and TSUGAMI B206 series
– ISO 9001, IATF 14949, and ISO 14001 certified factory
Application Scenarios:
– Aerospace components requiring high-precision and complex geometries
– Medical device and equipment manufacturing
– Robotics industry parts
– Military industry high-precision mechanical components
Pros:
– Comprehensive one-stop CNC machining capabilities with a wide range of advanced
– Expertise and a stable, experienced team with over 20 years in high-precision
– Climate controlled rooms and advanced in-process gaging for superior precision
– Modern MES and ERP integration for efficient factory management, short lead
Cons:
– Focus appears to be on medium to high-precision, complex parts, potentially
– No explicit mention of support for extremely large-scale mass production
CNC machining :china CNC machining factory offers precision machining …
Product Details:
GPT Precision Co., Ltd is a China-based precision machining shop providing CNC milling, CNC turning, CNC lathing, laser cutting, CNC bending, and aluminum die casting for non-standard and standard parts. They offer rapid prototyping and both short- and medium-run production. The production line can handle small precision components and larger auto parts or big custom components.
Technical Parameters:
– Close tolerance manufacturing (high-precision capability)
– Multiple-axis CNC machining: 3 axis, 4 axis, 5 axis machining centers
– Integrated CAD/CAE/CAM systems; 3D measuring machines employed
– Equipment includes high-speed milling, CNC electric spark (EDM), and CNC lathe
Application Scenarios:
– Manufacturing of precision components for automotive, electronics, and
– Rapid prototyping and custom part production
– Aluminum die casting mold design and production
– Production runs from small batch prototypes to high-volume assemblies
Pros:
– Advanced, imported manufacturing equipment and strict quality control procedures
– Cost-effective and competitive services due to effective project management
– ISO 9001, ISO 14001, RoHS compliance and business continuity management in place
– Comprehensive capabilities (milling, lathing, turning, grinding, laser cutting)
Cons:
– Some technical specifications (e.g., material types, maximum part sizes,
– Website content suggests focus on custom manufacturing—may not support
Wharbo Precision Manufacturing Co.,Ltd – China precision machining …
Product Details:
Wharbo Precision Manufacturing Co.,Ltd specializes in the manufacturing and supply of custom precision CNC machined parts, offering services such as CNC milling, CNC turning, custom machining, and CNC prototyping for a variety of metals including aluminum, steel, and stainless steel components.
Technical Parameters:
– State-of-the-art CNC machining centers and advanced inspection instruments
– Ability to produce complex and high precision machined parts
– Strict quality control from incoming material to finished parts
– Engineers design optimal fixtures and programming for reduced setup and
Application Scenarios:
– Manufacturing of precision components for various industries
– Rapid prototyping for product development and design validation
– Production of custom parts to meet client-specific requirements
– High-volume or low-volume CNC machining projects
Pros:
– One-stop solution from concept to finished product
– Commitment to high quality, consistency, and zero-defect products
– Competitive pricing and cost reduction for clients
– Capable and experienced engineering and machinist team
Cons:
– Limited information on specific industry certifications or standards followed
– No detailed technical specifications (e.g., tolerances, maximum part size)
CNC Machining Precision | China CNC Machining Factory
Product Details:
CNC Machining Precision (by Zhuohang Precision Machining Factory / Dongguan Zhuohang Ltd) offers custom 3-axis to 5-axis CNC machining services including CNC milling, CNC turning, CNC grinding, and wire EDM machining. The company manufactures CNC machined parts, CNC milled parts, and CNC turned parts from metals and plastics, provides various surface finishes and secondary operations, and caters to custom/complex high-precision component manufacturing in low or high volumes.
Technical Parameters:
– State-of-the-art 3-axis, 4-axis, and simultaneous 5-axis CNC machining centers
– Swiss-type CNC lathes, precision turning centers, precision CNC grinders, wire
– Equipped with CMM, optical CMM, X-ray fluorescence (XRF) spectrometer, and
– Works with a wide range of materials including Aluminum (AL2014, AL6061, AL7075
Application Scenarios:
– Automotive
– Aviation
– Medical devices
– Consumer electronics, computer peripherals, industrial machinery, robotics, and
Pros:
– ISO 9001 and IATF 16949 certified quality management system
– No minimum order quantity, with prototypes supported from 1 piece
– Free repair or remake/rework with all associated costs covered for manufacturer
– Competitive pricing, short lead times, and prompt response times (quotation
Cons:
– Factory location solely in China—potential longer shipping times for
– Details on tolerances and maximum workpiece sizes are not explicitly specified
Precision CNC Machining in China – Affordable, Quality Manufacturing …
Product Details:
BOMEI provides CNC machining services in China, specializing in custom manufacturing of metal and plastic components via CNC turning and milling. They offer rapid prototyping to high-volume production, serving OEM customers with options for various finishes and quality assurance.
Technical Parameters:
– Uses advanced 3-axis, 4-axis, and 5-axis CNC machines
– Supports materials including aluminum (AL7075), steel, stainless steel (SUS304,
– Precision guaranteed with adherence to ISO 2678-1 International Tolerance and
– Specialized machining techniques: single point turning, thread turning, taper
Application Scenarios:
– Automotive component manufacturing
– Aerospace and aviation parts production
– Electronics and automation industries
– Jewelry and intricate design fabrication
Pros:
– Cost-effective solutions, enabling 20-30% cost savings via DFM standards
– Highly flexible for prototypes, low, or high-volume production
– Short average production lead time (10 days) with a 99.5% on-time delivery rate
– Wide range of material and finishing options for diverse industry needs
Cons:
– No specific mention of in-house advanced materials testing or analysis
– No clear details about maximum part size or machine envelope limits
– Shipping and delivery may depend on third-party logistics providers
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| Top 100 CNC Machining Manufacturers in China (2025) | ensun | |||
| Top 11 CNC Machining Companies in China 2024 – Runsom Precision | Runsom Precision Co., Ltd offers one-stop custom CNC machined parts | Instant online quotation and seamless order process In-house advanced machinery | www.runsom.com | |
| 10 China CNC Machining Manufacturers and Companies | Precision CNC machining services including CNC turning, CNC milling, sheet | Cutting-edge equipment and extensive manufacturing capacity Wide material and | No detailed information provided about possible limitations with very | yijinsolution.com |
| China CNC Machining Services – Custom Precision Parts – JTR | JTR MACHINE offers high-quality rapid prototyping and mass manufacturing | Fast turnaround: get quotes in hours and parts delivered in days Wide range of | Limited information provided about specific tolerances, material capabilities, | www.jtrmachine.com |
| China Top 10 Precision Machining Company and Suppliers | CNC precision machining and processing of metal and plastic parts, including | High precision and close tolerance manufacturing Wide range of machining | Limited reference to drawbacks or limitations in quality control procedures Poss | www.tuofa-cncmachining.com |
| CNC Machining China: CNC Precision Machining Factory in China | CNC Machining China Factory provides high-precision custom machined parts and | Comprehensive one-stop CNC machining capabilities with a wide range of advanced | Focus appears to be on medium to high-precision, complex parts, potentially | cncmachiningchina.com |
| CNC machining :china CNC machining factory offers precision machining … | GPT Precision Co., Ltd is a China-based precision machining shop providing CNC | Advanced, imported manufacturing equipment and strict quality control | Some technical specifications (e.g., material types, maximum part sizes, | www.precisiontoolingchina.com |
| Wharbo Precision Manufacturing Co.,Ltd – China precision machining … | Wharbo Precision Manufacturing Co.,Ltd specializes in the manufacturing and | One-stop solution from concept to finished product Commitment to high quality, | Limited information on specific industry certifications or standards | www.wharboprecision.com |
| CNC Machining Precision | China CNC Machining Factory | CNC Machining Precision (by Zhuohang Precision Machining Factory / Dongguan | ISO 9001 and IATF 16949 certified quality management system No minimum order | Factory location solely in China—potential longer shipping times for |
| Precision CNC Machining in China – Affordable, Quality Manufacturing … | BOMEI provides CNC machining services in China, specializing in custom | Cost-effective solutions, enabling 20-30% cost savings via DFM standards Highly | No specific mention of in-house advanced materials testing or analysis No clear | bomcnc.com |
Frequently Asked Questions (FAQs)
How can I verify if a China CNC machining supplier is reliable?
Check the supplier’s certifications (like ISO 9001), business licenses, and customer references. Look for a solid online presence, read reviews, and, if possible, visit their facility or arrange for a third-party audit to inspect their capabilities and quality control.
What should I consider when comparing CNC machining quotes from different suppliers?
Besides price, evaluate material quality, machining capabilities, tolerances, lead time, communication responsiveness, payment terms, and any hidden fees. Ensure that each supplier is quoting based on the same specifications and requirements for a fair comparison.
Are language barriers a problem when working with Chinese CNC machining manufacturers?
Many Chinese suppliers have English-speaking staff, but miscommunications can still occur. Share clear drawings, technical specifications, and consider using simple language or visual aids. Confirm important details in writing to avoid misunderstandings.
What quality assurance steps should a good CNC machining supplier offer?
Reputable suppliers provide material certificates, thorough inspections, in-process checks, and final quality reports. Some offer sample approval or video inspections before shipment. Ask about their rejection and rework rates to gauge their quality consistency.
How can I ensure my intellectual property is protected when sharing designs?
Choose suppliers with a strong reputation for professionalism and be sure to sign a Non-Disclosure Agreement (NDA) before sending your CAD files or proprietary information. Working with trusted, established factories reduces the risk of IP issues.