Are you looking for the best CNC machining factories in China to bring your design ideas to life? With so many excellent options, choosing the right one can be daunting. In this article, we’ll compare the top finish machining factories in China, highlighting their unique strengths, services, and what sets them apart. Let’s dive in and find the perfect partner for your manufacturing needs.

Top China CNC Machining Service丨Quick, Accurate, Flexible …

Surface Finishing

Product Details: Gensun Precision Machining offers a wide range of surface finishing services to enhance the properties of plastic and metal parts. These services include mechanical processes like grinding, polishing, and abrasive blasting to improve surface texture and roughness. Additionally, they provide coating services such as anodizing, powder coating, and various types of plating (silver, gold, nickel, chrome) to enhance corrosion resistance and aesthetic appearance. Other services include chemical conversion coating, Teflon coating, hardening, passivation, and painting. These finishes can improve the strength, feel, cosmetic appearance, corrosion resistance, and other properties of the parts.

Pros:
– Improves strength, feel, and cosmetic appearance of parts
– Enhances corrosion resistance and wear resistance
– Offers a variety of coating options to suit different needs
– Provides design, manufacturing, and finishing services in one place
– Powder coating is resistant to chipping and fading
– Anodizing allows for colorful dyes and protects the metal surface

Cons:
– No specific cons mentioned on the website
– May require additional costs for some specialized finishes

China CNC Machining | Service | Quote

Product Details: Xometry’s China CNC Machining service offers high-quality machined parts manufactured in ISO 9001 and ISO 13485 registered facilities. The services include milling, turning, lathe, grinding, and routing with 3-axis, 4-axis, and 5-axis options available. The service can produce both small and large parts. Xometry’s US-based team manages all communication with the Chinese facilities, ensuring seamless order processing from quote to delivery. The service includes various finishing options such as standard finish (as-milled), bead blast, tumbled, powder coat, electropolishing, and electroless nickel plating. Duties and tariffs are included in the part price, and all parts are inspected according to Xometry’s Manufacturing

Standards and Inspection & Sampling Plan.

Pros:
– High-quality parts manufactured in ISO 9001 and ISO 13485 registered facilities
– Variety of machining services including milling, turning, lathe, grinding, and r…
– 3-axis, 4-axis, and 5-axis options available
– Ability to produce small and large parts
– US-based team manages communication and order processing
– Inclusive duties and tariffs in the part price
– Multiple finishing options available
– Parts inspected according to Xometry’s Manufacturing Standards

Cons:
– No finishing certificates provided for parts made in China
– Potential for higher costs and longer lead times for tighter tolerances
– Specialized tooling and manual review required for parts exceeding standard size…

Finishing Service Provider in China, Finishing Process China

Product Details: IN3DTEC offers a variety of surface finishes for 3D printed, CNC machined, and other manufactured parts. These include Mirror Polishing, which creates a mirror-like surface on metal parts; Electroplating/Chroming, which enhances corrosion resistance, surface hardness, and wear resistance; Color dyeing or Painting on Transparent parts, suitable for all transparent materials; Tumbling, which smooths and uniformizes the surface; and As machined, which leaves minor tool marks visible. Other options include Anodizing to resist corrosion and improve surface hardness, Painting & color matching to match Pantone colors, Blasting for a uniform smooth surface, Black oxide for corrosion resistance, Brushing to enhance surface

properties, and Vapor Smoothing for optical clarity on plastics. Heat treatments such as annealing, carburizing, and nitriding are also available[2][4][5].

Pros:
– Enhances aesthetic appeal and functionality of the parts
– Improves surface quality, durability, and resistance to wear and corrosion
– Offers a range of finishes to suit different material types and application requ…
– Can achieve high precision and smooth surfaces through techniques like machining…
– Provides options for environmental-friendly and ISO-standard compliant finishes
– Quick turnaround times, with some finishes available as fast as one day

Cons:
– Some techniques may involve hazardous materials, requiring proper safety precaut…
– Certain surface treatments can be time-consuming and may require manual labor
– The cost of advanced surface finishes can be higher compared to basic finishes
– Specific techniques may have limitations based on the material and geometry of t…
– Requires careful selection of the appropriate finish to match the part’s intende…

Surface Finishes for CNC Machining | China

Product Details: RpProto offers CNC machining services with various surface finishes. These include additional plating, anodizing, chromate plating, passivate, powder coating, electroless nickel plating, silk screening, cleaning, basic assembly, part marking, and press fit and hardware. The services support materials like aluminum, PEEK, and other metals and plastics. Tolerances can be as tight as +/-0.002 in. (0.0508mm), and the company adheres to ISO 2768 and other quality standards such as ISO 9001 and AS9100.

Pros:
– High precision with tight tolerances
– Multiple surface finishing options available
– Adherence to international quality standards (ISO 9001, AS9100)
– Support for various materials including metals and plastics
– Quick lead times, as few as 5 days

Cons:
– Limited access to detailed specifications without direct page access
– Potential for higher costs due to high precision and quality requirements
– Geometry limitations such as knife edges and cavity depth restrictions

CNC Machining Service in China – Worldwide Delivery

CNC Machining China Factory

Product Details: JINGXIN CNC machining China offers custom CNC precision milling and turning services for metal and plastic parts. The services include manufacturing of fittings, valves, hydraulic components, electric motor parts, and more. The company uses advanced CNC machines such as Brother, HAAS, and Mazak, including 3-, 4-, and 5-axis models. They work with various materials like steel, aluminum, stainless steel, titanium, and engineering plastics. The company is ISO 2768-F compliant and ensures quality through strict manufacturing processes and inspections. They provide rapid prototyping and can handle both low and high-volume production. Surface treatments such as anodizing, black oxide, and electroplating are

also available.

Pros:
– Fast and repeatable for low volume manufacturing
– Delivers high precision and high tolerance specifications
– Wide range of production and rapid prototype manufacturing materials
– Rapid machining offers great surface finishing
– Advanced equipment and complete machining capability in-house
– ISO approved CNC machine shop with quality assurance
– Flexible use of conventional and CNC precision machining to save costs

Cons:
– No specific cons mentioned, but potential limitations could include high initial…

China CNC Machining Services – Custom Precision Parts – JTR

CNC Machining Surface Finish – ETCN

Top 10 CNC Machining Manufacturers and Companies

Comparison Table

Frequently Asked Questions (FAQs)

What materials can Chinese CNC machining factories work with?

Chinese CNC machining factories can work with a wide range of materials, including metals like aluminum, brass, stainless steel, and titanium, as well as various plastics, fiberglass, and other specialty materials. This versatility allows them to cater to different industries such as automotive, aerospace, electronics, and more.

How do Chinese CNC machining factories ensure quality control?

Chinese CNC machining factories prioritize quality control by adhering to international standards and implementing stringent quality control measures. They use advanced CNC machines and skilled technicians to ensure precision and durability. Additionally, they conduct in-process inspections and final product checks using various measuring tools and inspection equipment to guarantee high-quality output.

What is the typical lead time for CNC machining projects in China?

The lead time for CNC machining projects in China can vary depending on the complexity, size, and quantity of the parts. Generally, you can expect to receive a quotation within 2 days, and production can take anywhere from a week for simple parts to several weeks for more complex projects. Shipping times range from 3-7 days by air and 15-30 days by ocean.

Can Chinese CNC machining factories handle large-scale production?

Yes, Chinese CNC machining factories are well-equipped to handle large-scale production. They have state-of-the-art facilities and a robust workforce, enabling them to maintain high quality and efficiency even with large order volumes. This scalability makes them an excellent choice for both small custom projects and large volume manufacturing.

How do I ensure my design specifications are met by a Chinese CNC machining factory?

To ensure your design specifications are met, you should provide the factory with detailed 2D or 3D CAD models or drawings. They will convert these into machine-readable code and verify the design before starting production. You can also request samples or prototypes to confirm the accuracy and quality of the parts before proceeding with mass production.