Your Trusted Custom CNC Parts Manufacturer
Get high-quality CNC custom parts with fast quotes, precise machining, and dependable delivery for your project.
- Fast Quotes Within 8 Hours
- No MOQ for Custom Parts
- 70+ Metal and Plastic Materials
- Tolerance Up to ±0.005 mm

Our Services
One-Stop CNC Machining & Die Casting Solutions

CNC Machining
Advanced CNC machining services for custom parts with tight tolerances and stable quality. Suitable for prototypes, low-volume orders, and mass production.

CNC Turning
Precision CNC turning for shafts, bushings, threaded parts, and other round components. Ideal for high-accuracy parts with consistent surface finish.

CNC Milling
Professional CNC milling services for complex shapes, pockets, holes, and detailed contours. Support for 3-axis, 4-axis, and 5-axis machining projects.

Die Casting
Reliable aluminum and zinc die casting solutions for durable custom components. Well suited for medium- to high-volume production with cost efficiency.

Sample & Drawing
View our sample parts and engineering drawings to better understand our manufacturing capabilities. Send your CAD files to get a fast and accurate quote.
About Us
What kind of company is Sincere?
- 12+ Years of Manufacturing Experience
- One-Stop Custom Manufacturing Solutions
- Strict Quality Control System
- ISO 9001 & IATF 16949 Certified
Since 2013, SINCERE has specialized in precision manufacturing of custom metal components. As a trusted supplier serving global brands, we provide one-stop solutions including CNC machining, tooling, die casting, sheet metal fabrication, and more. Backed by advanced equipment, strict quality control, and ISO 9001:2015 / IATF 16949 certification, we help customers turn ideas into high-quality parts from prototype to mass production.
Material
Materials for Custom Manufacturing
Advantage
Why Choose Sincere


# 01
Fast Turnaround
Once you send us your drawings and requirements, our team moves quickly from review to quotation and production. We streamline every step to help you save time and keep your project moving forward.
From prototype to final delivery, the process stays simple, efficient, and reliable.

# 02
Reliable Quality
Quality is built into every stage of our manufacturing process. From material inspection to final dimensional checks, we work carefully to ensure every part meets your specifications and application needs.
We focus on consistency, precision, and dependable results for every order.



# 03
Professional Engineering Support
Our engineering team supports you throughout the entire project, from design review to production optimization. We provide practical suggestions to improve manufacturability, reduce cost, and avoid unnecessary production risks.
You get responsive technical support before, during, and after manufacturing.
Process
How We Turn Your Design into Parts

Upload Your Drawing
To get started, simply send us your 2D or 3D drawings and tell us your material, quantity, and surface finish requirements.


Review & Quotation
Our engineering team will review your files, check manufacturability, and provide a clear quotation based on your project specifications.


Production & Quality Control
Once the order is confirmed, we begin production using advanced machining equipment and strict in-process quality control.


Shipping & Delivery
After final inspection, your parts are carefully packed and shipped on time to ensure safe and reliable delivery.
Ready to start your project?
What did our customers say?
Get Quick
Response
We’re here to listen. Share your thoughts with us, and our team will follow up within 8 hours.
- +86 131 6874 7958
- +86 131 6874 7958
- [email protected]
- B1 Building, Jiechuang Science and Technology Park 60 Shafo Rd, Bao‘an District Shenzhen, China
Your trusted partner in China. We are ready to answer your questions and collaborate closely to achieve your goals here.
Gvain (Founder)
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