Trusted Best Manufacturer of Rapid Prototyping and Custom Parts
We guarantee consistent quality for prototypes and end-use parts, in house and through our verified manufacturing partners.
- 100,000+ Unique parts produced
- 500+ Companies served
- 50+ Countries shipped
- 19+ Years of Experience



Start A New CNC Quote
STEP | STP | SLDPRT | IPT | PRT | SAT files
All uploaded files are secure and confidential






Our manufacturing capabilities
ZHUANXIN provides a range of manufacturing capabilities to support rapid prototyping and both low and high-volume production needs. With our own factory and a reliable Chinese network, we deliver complex, high-quality parts efficiently.

CNC Machining
By using CNC milling & turning, we can make a wide range of prototypes and production parts


Vacuum Casting
Ideal for prototypes and small production runs. Reliable service and fast turnaround.

Die Casting
Choose from Aluminum, Zinc, Magnesium, Copper. High precision die cast metal parts for high-volume needs.

Injection Molding
Plastic injection molding, rapid and production tooling, overmolding, and insert molding. No MOQ required, all while maintaining consistent quality.

3D Printing
SLA, HP MJF, SLS, SLM technologies for functional prototyping and low-volume production. We manufacture 3d printed parts at competitive price.

Wire EDM
Sinker and wire EDM machining. We can machine sharp inside corners, thin walls, and burr-free parts.

Surface Finishing
Provide customers with customized surface treatment services to save secondary processing costs and time.
China manufacturing factory
Expand manufacturing network
ZHUANXIN has its own factories in China and works closely with experienced partners. The strong network can quickly produce customized plastic and metal parts, and has scalable capabilities to ensure the high quality and reliability of all your projects.
Machines Set
Tight Tolerance
Fast Lead Time

CNC machining Workshop

Sheet metal workshop

3D printing workshop

Injection workshop
How to Work With Us
3000+ Happy Customers
Why you can trust ZHUANXIN
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 verify that all materials and parts will meet your specifications.



Advanced Facilities Ensure High Quality CNC Machined Parts
ZhuanXin Precision guarantees the quality and consistency of machined parts are maintained or improved. Our in-house quality control team operates strict visual and dimensional inspections to make sure the parts are free from defects and meet requirements.







A customer’s words mean more than ours see what our satisfied customers have said about how we fulfilled their requirements.
I am happy to be doing business with a company such as yours who pays attention to details and is quick to ask and sort out any potential issues as quickly as possible.

I finally reviewed the part with my client today. I was delayed being away visiting family for a week. The part come out very nice, you guys did an excellent job with the sample!… even the finish is exactly how i expected. I will let you know when the client is ready to produce the first batch!

From Concept to Production
CNC machining is an ideal manufacturing process whether you need a few parts or 10000+ units as end-used production parts. Here are the custom CNC services available at ZhuanXin Precision.

Prototype Machining
- Instant quotes
- Instant DFM feedback
- Excellent quality
- Short lead time

Low-Volume Machining
- Lower cost
- Production-level quality
- Short lead time
- Test out the market before investment

Production Machining
- Experienced engineers for DFM optimization
- A professional project manager working in your time zone
- First Article Inspection
- Guaranteed consistent quality