Custom CNC Machined Metal & Plastic Parts
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No MOQ, Free Instant Quote in 24H.
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China Factory Direct–Competitive price.
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Quality Assurance & 1-7 Days Lead-time.
Our Services
SWISS CNC Machining Service
High precision Complex parts CNC large batch Rapid Machining with incredible accuracy, efficiency and cheap price.
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CNC Turning Service
Can quickly CNC Turned Parts more than 50 materials, metals and plastics such as aluminum, copper, zinc, magnesium, etc., whether it is large or small parts.
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CNC Milling Service
With 3, 4, 5 axis milling equipment to manufacturing various complex parts, can quickly drill, engrave, and mill any prototype you want.
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CNC Machining Service
3-axis,4-axis,5-axis CNC machining equipment with advanced cnc turning / milling / casting process helps you to achieve from design to machined parts online.
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Die Casting Service
Die casting is the process of choice when producing high volumes of complex metal parts.Cheap price.
Learn MoreShenzhen Best Parts Co., Ltd.
Best Parts is a professional online CNC machining service supplier in China. Founded in 2002. Our plant area has already exceeded 6000㎡. We Started as prototype and OEM parts manufacturing in the year of 2002 by CNC machine. With the capabilities of CNC Machining, CNC turning, CNC milling, SWISS CNC precision machining, Die casting, Finishing and assembly etc.. Best parts provides online one-stop service from parts design，instant quote to rapid prototyping and mass productions…
Our Advantages in Parts Manufacturing
Quality Assurance: We strictly implement ISO quality standards and have received ISO 9001: 2015 certification. This means our production lines feature advanced technologies that give manufacturing precision and accuracy. With sophisticated measuring and testing equipment in house, we check all incoming material and parts to meet your specifications. That’s why we are outstanding among the rapid prototyping companies in China. Learn more about our quality control system. What’s more:
Latest Cases
We manufacture CNC lathe parts, milled parts, precision Swiss machined parts, which are widely used in the fields of medical, electronic equipment, automotive industry, aerospace, intelligent robotics and industrial automation.
We’re Your Partner From Prototyping to Production and Beyond
–Best Parts is leading company that Online CNC machining parts supplier, We provide one-stop rapid prototyping and OEM parts manufacturing.
Best parts provides one-stop parts and product manufacturing solutions to help you develop effective prototypes and scale up to production parts. Customize parts on demand using more than 50 materials and 10 processes. Let us have more than 100 senior engineers with more than 10 years of parts manufacturing experience review your drawings and give the fastest and cheapest manufacturing solutions, and then quickly through advanced CNC machining, 3D printing, die-casting, surface treatment and other manufacturing processes Obtain high-precision products.
Our Capability
Best Parts equiped tools and equipments such as:
- 20 CNC Lathes
- 16 CNC Milling machines
- 8 CNC Machining Machines(3-axis, 4-axis, 5-axis)
- 18 SWISS CNC Machines
- 30 Die Casting Machines
- 2 Laser Engraving Machines
- 3D measurement
- Hardness Tester
- Altimeter
- spectrum analyzer
- Surface Roughness Tester
The maximum size of the parts we can process depends on the maximum stroke of the equipment, the following is the stroke data table of our equipment.
| Processing | Travel range |
| CNC Machining Center(3-axis / 4-axis / 5- axis) | 1000*500*500mm / 850 * 500 * 500mm |
| CNC Lathe | Ø430mm，Length 1200mm |
| CNC Milling Machine | 600 * 500mm / 800 * 400mm |
Unless we follow the tolerances required in the customer’s drawings, we will strive to achieve and maintain the following tolerances, which will vary depending on your choice of primary machining. (Example: round hole 10mm, tolerance +0.01—0.03mm)
| Dimension Range (mm) | Fine (F) +/- | Medium (M) +/- | Coarse (C) +/- | Very Coarse (V) +/- |
| 0.5-3 | 0.01 | 0.05 | 0.1 | — |
| 3-6 | 0.03 | 0.1 | 0.15 | 0.5 |
| 6-30 | 0.05 | 0.15 | 0.3 | 1.0 |
| 30-120 | 0.1 | 0.3 | 0.5 | 1.5 |
| 120-400 | 0.2 | 0.5 | 1.2 | 2.5 |
| 400-1000 | 0.3 | 0.8 | 2.0 | 4.0 |
We can do surface treatment according to customer needs, the processing methods are as follows：
- Anodized
- Polishing
- Nickel plating
- Zinc plating
- Brushing
- Laser engraving
- Oxide black
- Heat treatment
- Sandblasting
- Electrophoresis etc.
Materials for Your CNC Machined Parts
Best Parts uses a wide selection of materials for the manufacture of our custom parts. And there are ample stocks, each material has different grades and varieties. Rest assured, the material has a quality inspection certificate, if you want to use a specific material in the machining of parts, please feel free to contact us!
| Metal | Plastic |
| Aluminum | Acrylic |
| Brass | PTFE |
| Copper | HDPE |
| Bronze | Teflon |
| Steel | PC(Polycarbonate) |
| Stainless Steel | PVC |
| Titanium | Ultem |
| Zinc | PP(Polypropylene) |
| Magnesium | ABS Plastic |
| Nylon |
Quality Assurance
With more than 20 years of manufacturing and processing experience, we already have a comprehensive production and processing process and quality control system, and carry out strict inspections on materials, processing, finished products, shipments and other links to ensure product quality and on-time delivery.
The company has passed a number of quality management system certifications, and has been committed to providing customers with efficient and high-quality products and services.
- ISO9001:2015
- IATF16949
- AS9100
- GJB9001C-2017
How to Work With Us?
Since the establishment of best parts in 2002, we have reached long-term cooperative relationships with 2000+ US and European customers. It is very simple to cooperate with us. Just fill in the form to get in touch with us, and you can get a one-to-one project manager to give you quotations and projects. Advising services that make it easy for you to get rapid prototyping and mass production of your products.
To start, simply select a manufacturing process and upload a 3D CAD file.
We’ll send you design for manufacturability (DFM) analysis and real-time pricing in 24 hours.
Once you review your quote and place your order, we’ll start the parts manufacturing process.
Our digital manufacturing process allows us to produce parts in as fast as 1 day.
Trusted by
With 2000+ partners around the world, Best Parts is supported and recognized by many internationally renowned brand companies.
Customer Testimonials
Nick Nafsinger
United StatesThe BEST Parts team is excellent to work with. They are very responsive and the quality of the parts we ordered is exceptional. We've been doing business with them for several years now and look forward to continue working with them.
Darrell Harris
United StatesVery satisfied, the tolerance is very well grasped, I look forward to the next cooperation
Joseph
ItalyProduct is of good quality. Supplier provided QC report and photos before shipping. They were attentive not only before I finalized my order, but afterwards as well. My order arrived early and was of exceptional quality and packaging- A++++ reccomend!
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