Are you looking for the best custom steel machining factories in China to bring your project to life? With so many excellent options, choosing the right one can be daunting. 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 partner for your next project.

China CNC Machining Prototype | Custom Parts & Rapid …

Top China CNC Machining Service丨Quick, Accurate …

custom precision cnc machining parts China

Product Details: JINGXIN offers custom precision CNC machining parts in China, utilizing advanced CNC machines such as Brother and HAAS. They provide CNC milling and turning services for various materials including S136H steel, stainless steel, 6061 Aluminum, Brass, copper, and engineering plastics like PEEK and POM. The services include CNC milling, CNC turning, laser cutting, and grinding. Applications span automotive, industrial, medical, and aerospace sectors. Tolerance ranges from +/-0.01mm to +/-0.05mm, and surface treatments include anodizing, black oxide, electroplating, and more. Quality assurance is ensured through ISO 9001:2008, ISO 14001, and BS OHSAS 18001 certifications. Packaging options include carton and wooden box,

with shipping via sea, air, DHL, FedEx, UPS, and TNT. Lead time is typically 6-12 days[3].

Pros:
– High precision CNC machining with tolerance ranges from +/-0.01mm to +/-0.05mm
– Wide range of materials available including metals and engineering plastics
– Advanced equipment such as Brother and HAAS CNC machines
– Various surface treatments and finishes available
– ISO certified for quality assurance
– Fast lead time of 6-12 days
– Multiple shipping options including sea, air, and express services

Cons:
– Limited information on minimum order quantities
– No detailed pricing information available on the website
– Dependence on contract suppliers for some surface treatments

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 suppliers, ensuring seamless order processing from quote to delivery. The service also includes various finishing options such as standard finish (as-milled), bead blast, tumbled, powder coat, electropolishing, and electroless nickel plating.

Pros:
– High-quality parts manufactured in ISO 9001 and ISO 13485 registered facilities
– Wide range of machining services including milling, turning, lathe, grinding, an…
– Availability of 3-axis, 4-axis, and 5-axis machining options
– Capability to produce both small and large parts
– US-based team manages all communication with Chinese suppliers
– Various finishing options available
– Duties and tariffs are included in the part price
– Parts inspected according to Xometry’s Manufacturing Standards and Inspection &…

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 may be required for parts exceeding standa…

China CNC Machining Services – Custom Precision Parts

CNC Machined Parts Factory

China Custom Polished 304 Stainless Steel Machining Parts

CNC Machining Services in China | Gensun Precision

Product Details: Gensun Precision offers CNC machining services in China, utilizing state-of-the-art CNC technologies and ISO 9001:2015 certified facilities. The services include CNC milling, CNC turning, and other manufacturing capabilities such as 3D printing and injection molding. They produce precision machined parts in a broad range of materials, including metals (aluminum, steel, stainless steel, brass, copper) and plastics (POM, PTFE, PC, PEEK, PET), as well as special alloys (Kovar, Invar, Inconel, Titanium, Mocu). The company serves various industries including aerospace & defense, optical communication, robotics & automation, automotive, electronics, medical equipment, semiconductor, and energy. Their process involves creating a CAD model, converting

it to G-code, and using CNC machines to achieve high precision and surface quality[1].

Pros:
– High-quality and reliable products due to highly trained engineers, machinists,…
– Broad range of material options including metals and plastics
– World-class machine shop with advanced CNC technologies
– Ability to handle rapid prototyping and low-volume production
– Precision tolerances of ±0.05 mm and surface roughness of Ra 0.8μm
– Services tailored for various industries with specific requirements

Cons:
– No specific mention of cost savings or competitive pricing
– No details on turnaround times for large-scale production orders
– Dependence on international shipping which can introduce delays and logistical c…

Stainless Steel CNC Machining for Custom Parts China

Product Details: Stainless steel CNC machining involves using CNC machines to shape, fabricate, and cut stainless steel parts. It is a precise and efficient manufacturing method that leverages computer-aided design (CAD) and computer-aided manufacturing (CAM) software to produce intricate parts. Various grades of stainless steel, such as SS 303, SS 304, SS 316, and SS Grade 17-4, are used depending on the application requirements.

Pros:
– High tensile strength and mechanical durability
– Excellent corrosion resistance and ability to withstand harsh environments
– High-temperature oxidation resistance and stability
– Beautiful surface finish and modern appearance
– Good weldability and thermal expansion performance
– No need for surface treatment, making it simple and easy to maintain
– Cryogenic resistance in some grades

Cons:
– Work hardening during machining, which can increase tool wear and affect product…
– Low thermal conductivity leading to heat buildup and potential sensitization
– High cutting force and difficulty in breaking chips, affecting surface roughness
– Tools are easily damaged due to the hardness of stainless steel
– Requires specialized end mills and drills to minimize wear
– Challenging to achieve the right surface finish due to its impact on other prope…

stainless steel CNC Machining In China

Product Details: CNCFIRST offers stainless steel CNC machining services, including milling, turning, and Swiss machining. The company uses high-quality equipment and experienced machinists to produce custom stainless steel parts with precision and accuracy. They can create parts ranging from simple prototypes to complex components, including small brackets and larger assemblies with precise tolerances. Common stainless steel alloys used include 300 series (304 and 316) austenitic stainless steels, 400 series ferritic stainless steels, and precipitation-hardening martensitic stainless steels like Stainless Steel 15-5. This alloy is known for its superior strength, corrosion resistance, and formability, making it suitable for aerospace, medical, and other applications.

Pros:
– Enables accurate cuts, drilling, and shaping of parts quickly and easily without…
– Precise, consistent, and fast machining processes save time and money by elimina…
– High level of flexibility in design, ideal for custom shapes or complex geometri…
– State-of-the-art equipment and experienced engineers ensure high-quality results…

Cons:
– The cost of machining stainless steel parts with CNC machines is relatively high…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Custom Steel Machining Factories in China

What types of steel can Chinese CNC machining factories process?

Chinese CNC machining factories can process a variety of steel types, including austenitic, ferritic, and martensitic stainless steels. For example, grades 304 and 316 are commonly machined due to their high work hardening rates and versatility in applications such as medical devices, marine parts, and automotive components.

What kind of equipment and technology do these factories use?

These factories operate with world-class CNC machines, including 3-axis, 4-axis, and 5-axis models from brands like Brother, HAAS, and Mazak. They also employ advanced technology such as precision milling and turning lathes to ensure high-quality and precise machining.

How do I ensure the quality of the machined parts from Chinese factories?

To ensure quality, look for factories that are ISO 9001 certified and adhere to international manufacturing standards like IATF 16949. These factories typically have strict quality control processes, including material certification, SGS reports, and detailed inspection reports to guarantee the parts meet your specifications.

Is it economical to source custom metal parts from China?

Yes, sourcing custom metal parts from China can be very economical. China offers low labor costs, abundant raw materials, and efficient shipping facilities, which significantly reduce manufacturing and shipping costs. This makes China an attractive option for companies looking to produce custom metal parts at a lower cost without compromising on quality.

How do I manage the process of ordering and receiving custom machined parts from China?

Managing the process can be streamlined by working with a reputable supplier or a managed service like Xometry, which handles communication with the Chinese facility, ensures quality standards, and manages the entire process from quote to delivery. This way, you can avoid the complexities of international sourcing and focus on your project needs.