Are you looking for the best surface machining factories in China to bring your project to life? With so many options available, choosing the right partner can be overwhelming. In this article, we’ll compare the top CNC machining companies in China, highlighting their strengths, services, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

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 anodizing (hard anodizing, black/blue anodizing), diamond-like carbon coating, titanium nitride (TiN) coating, silver, gold, nickel, or chrome plating, chemical conversion coating, Teflon coating, hardening, passivation, powder coating, and painting. The services aim to improve the strength, feel, cosmetic appearance, corrosion resistance, and other properties of the parts. Mechanical processes such as grinding, polishing, and abrasive blasting are also available to adjust the surface texture, roughness, or waviness of the parts.

Pros:
– Improves the strength and corrosion resistance of parts
– Enhances the cosmetic appearance and feel of parts
– Reduces friction and wear on machinery components
– Increases the lifespan of the product
– Offers a one-stop-shop for design, manufacturing, and finishing services

Cons:
– No specific cons mentioned on the website
– The necessity for customized surface finishes may add complexity and cost to the…

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

China CNC Machining Services – Custom Precision Parts – JTR

CNC Machining services China | Rapid prototype | First part

Product Details: First Part’s CNC machining service offers a quick and cost-effective approach to manufacture high-grade prototypes, tooling, and high-precision end-use parts in a variety of engineering-grade materials. The service includes CNC machining, CNC turning, and CNC milling, utilizing over 100 CNC machines covering 3-axis, 4-axis, and 5-axis capabilities. Materials options include plastics such as ABS, PEEK, and POM, and metals like aluminum, brass, copper, magnesium, titanium, and stainless steel. The process involves creating a CAD model, programming, setting up the CNC machine, and manufacturing the parts with high accuracy and precision, achieving tolerances within the 0.001 to 0.005 range.

Pros:
– High accuracy and precision with tolerances within the 0.001 to 0.005 range
– Scalability and repeatability, producing high-quality parts from 1 to 10,000 uni…
– Cost-effectiveness and quick turnarounds for low-volume and mass manufacturing
– Excellent in-house capacity and network of over 20 CNC machining centers
– Strict quality control systems ensuring high-quality parts delivery
– Ability to work with a wide range of materials and customized raw materials
– Professional service and high-quality control with rapid response times

Cons:
– No specific cons mentioned, but potential limitations could include the need for…

CNC Machining Service in China – Worldwide Delivery

CNC Machining Surface Finish – ETCN

Finishing Service Provider in China, Finishing Process China

Product Details: IN3DTEC offers a variety of surface finishing processes for 3D printed, CNC machined, and other manufactured parts. These include Mirror Polishing, which creates a mirror-like surface on metal 3D prints or CNC machined parts; Electroplating/Chroming, which resists corrosion, increases surface hardness, and improves wear resistance; Color dyeing or Painting on Transparent parts, suitable for all transparent parts; Tumbling, which creates a smoother and uniform 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 standard Pantone colors, Blasting for a uniform smooth surface,

Black oxide for corrosion resistance, Brushing to resist corrosion and improve surface hardness, Vapor Smoothing for optical clarity on plastics, and Heat treatments such as annealing and carburizing.

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 materials and applications
– Can achieve high precision and smooth surfaces through techniques like mirror po…
– Provides environmental-friendly and ISO-standard compliant options
– Quick turnaround times, with some services available as fast as one day

Cons:
– Some techniques may involve the use of hazardous materials, requiring proper saf…
– Certain processes, like electroplating and anodizing, can be complex and may req…
– Higher precision and advanced finishes may increase the cost
– Manual processes, such as polishing by hand, can be time-consuming and labor-int…

CNC Machining Services in China | Gensun Precision

Product Details: Gensun Precision offers CNC machining services in China, utilizing state-of-the-art CNC technologies for rapid prototyping and low-volume production. The services include CNC milling and turning, and the company can work with a broad range of materials such as metals (aluminum, steel, stainless steel, brass, copper) and plastics (POM, PTFE, PC, PEEK, PET), as well as special alloys. The process involves creating a CAD model, converting it into G-code, and using CNC machines to subtractively manufacture the desired parts. Gensun serves various industries including aerospace, automotive, electronics, medical equipment, and robotics[1].

Pros:
– High-quality and reliable products due to highly trained engineers, machinists,…
– Broad range of material options including metals, plastics, and special alloys
– World-class machine shop with ISO 9001:2015 certification
– Ability to achieve high precision with tolerances of ±0.05 mm and surface roughn…
– Custom CNC machining services for special requirements and obsolete parts

Cons:
– No specific cons mentioned on the website, but potential limitations could inclu…
– Dependence on advanced technology and skilled labor, which might be a constraint…

3Q Machining – CNC Machining in China for Custom CNC …

Product Details: 3Q Machining provides a variety of precision CNC machining services including milling, turning, EDM (electrical discharge machining), wire EDM, and surface grinding. They utilize high-precision 3-axis, 4-axis, and 5-axis CNC machines to achieve tight tolerances. The company offers services from prototype to high-volume production, catering to various industries such as aerospace, medical, equipment, electronic, and camera. They also provide custom plastic and metal machining parts using CNC machining and injection molding, and can apply various finishes to the parts through their surface finishing partners.

Pros:
– Highly skilled team of machinists with many years of experience
– Advanced equipment including precision 3-axis, 4-axis, and 5-axis CNC machines
– Ability to handle all technical aspects of creating prototypes and custom parts
– One-stop solution for rapid prototyping and custom machining services
– Fast delivery services from CAD drawing to final shipment
– Low Minimum Order Quantity (MOQ) accepted
– Use of material testers and automotive coordinate measuring machines (CMM) for q…

Cons:
– No specific details on pricing or cost structure available on the website
– No information on potential lead times for large or complex projects
– Dependence on surface finishing partners for certain finishes

Leading CNC Machining Services China | Low Cost, On …

Product Details: AT Machining offers a range of CNC machining services, including 3-axis, 4-axis, and 5-axis CNC milling, turning centers, and CNC lathe machines. These services enable the production of precise, high-quality parts that fulfill custom specifications. The company works with over 50 materials, including metals like aluminum, steel, and titanium, as well as plastics like PEEK and Ultem 2300. Services include rapid prototyping and low to large volume production for various industries such as medical devices, aerospace, automotive, defense, and more. Additional services include surface finishing options like anodizing, sand blasting, and powder coating. The company accepts STEP, IGES, or X_T

formats for 3D drawings and PDF for 2D drawings. Payment methods include bank to bank wire transfer and PayPal. Lead times are typically 2-3 weeks for prototypes and 4 weeks for production runs, with emergency and rush services available.

Pros:
– High accuracy and precision with tolerances down to ±0.0002″ (0.005mm)
– Repeatability in producing identical parts with high accuracy
– Speed in production, allowing for faster turnaround times and shorter production…
– Flexibility in handling a variety of materials and complex geometries
– Reduced labor costs due to automation
– No minimum quantity requirement
– Cost-effective with savings of 30-50%
– ISO 9001:2015 certified with SGS and RoHS certifications
– Swift production turnarounds without compromising quality
– Ability to implement design changes easily between production runs

Cons:
– Potential for visible tool marks and sharp edges if not requested to be removed
– Dependence on material availability which can affect lead times
– Complex designs may require longer setup times

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Surface Machining Factories in China

What services do surface machining factories in China typically offer?

Surface machining factories in China offer a wide range of services, including CNC milling, turning, 5-axis machining, EDM, and various surface finishing services such as anodizing, electroplating, PVD, nickel plating, sandblasting, and more. These factories can handle both small custom projects and large-scale production, making them versatile solutions for different industry needs.

How do I ensure the quality of the parts produced by a Chinese CNC machining factory?

To ensure the quality of the parts, look for factories with ISO certifications, such as ISO 9001, and robust quality control processes. Check if they have advanced measuring equipment like 2D and 3D coordinate measuring machines. Also, request samples and previous works to gauge the quality, and maintain open communication throughout the project to address any issues promptly.

What materials can Chinese CNC machining factories work with?

Chinese CNC machining factories can work with a diverse range of materials, including various metals like aluminum, stainless steel, copper, and titanium, as well as plastics and composites such as PEEK, Nylon, and PMMA. This extensive material selection allows them to cater to the specific needs of different industries.

How do I protect my intellectual property when outsourcing to a Chinese CNC machining factory?

Chinese CNC machining factories have improved their intellectual property laws, offering protection to customers. Look for factories with a strong confidentiality system and ask about their IP protection policies. Maintaining clear and open communication and ensuring the factory has a good reputation can also help in safeguarding your intellectual property.

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 and quantity of the order. For samples, it can take around 24 hours to a few days, while mass production typically takes 20-25 days after receiving the deposit. Good communication with the factory can help in managing and meeting your specific timeframe requirements.