Our manufacturing capabilities
Kingsun is one of the most reliable rapid prototyping companies. We can turn your designs and ideas into real parts in just a few days.

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

Sheet Metal Fabrication
Laser cutting, bending, stamping, spinning, punching, welding.

3D Printing
We offer various high quality 3D Printing services including Plastic 3D Printing and Metal 3D Printing.

Surface Finishing
Different processes used to alter the surface of a manufactured product to give it a distinct or desired look and feel.
How to Work With Us

Upload a CAD File
Start by choosing your preferred manufacturing process, then upload your design file.

get quote
Next, configure project details like material, finishing option, and quantity, receive an accurate quote and DFM feedback, then place your order.

Parts Delivered!
Once production is complete and your parts pass quality inspections, they are shipped to you.
Why Choose Us
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.

Instant Quoting
If your RFQ contains clear information, quotations are typically delivered in a few hours.

Industry Experience
Having carried out rapid prototyping and rapid manufacturing since 2010, our engineers have built up rich experience. We can handle all types of projects.

Massive Network
Our in-house facilities allow us to get your projects done fast. And thanks to our strong relationship with rapid manufacturing partners, our capacity is not limited.

30K+ Projects Delivered
Over 30K projects have been sent to our customers worldwide since we started in 2010, and we have received countless positive comments.
Who are we
Kingsun is a high quality processor specializing in Precision CNC Milling and CNC Turning, Swiss Turning, 3D Printing and Rapid Prototyping, with particular excellence in the machining of precision components for the top automotive and medical sectors.With our state-of-the-art machine shop cnc,3D printing workshop and fabrication of sheet metal shop, we are committed to providing superior customized solutions to our customers.In terms of parts machining services, we are always pursuing technological innovations to ensure that our products have superior precision and quality.Kingsun has a reputation for outstanding service and reliable delivery, and we will do everything we can to help you turn your product ideas into real parts.
From rapid prototyping 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 Kingsun.
Rapid prototyping
From Kingsun, you can get your prototypes done in days, which allows you to verify the design fast.
- Instant quotes
- Instant DFM feedback
- Excellent quality
- Fast Delivery
Low-Volume Manufacturing
Rapid tooling is a cost-efficient way to bridge the gap between prototyping and final production. Launch your products to the market fast.
- Lower cost
- Production-level quality
- Fast delivery
- Test out the market before investment
On-Demand Production
For production projects, our engineering team will support you to achieve the best products in terms of quality and cost.
- Experienced engineers for DFM optimization
- A professional project manager
- First Article Inspection
- Guaranteed consistent quality
Case Studies








FAQs
How do I confirm my design can be manufactured reliably?
Every successful production starts with a solid manufacturability review. Once you upload your CAD file, Kingsun’s platform instantly analyzes geometry, wall thickness, overhangs, and tolerance feasibility using built-in DFM algorithms. You’ll see direct on-screen feedback within seconds—highlighting any potential risk areas. For complex or high-precision projects, our engineers conduct a manual DFM within one business day, offering clear, data-driven suggestions on design adjustments, process routes, or material choices. By reviewing manufacturability early, you eliminate rework, shorten lead time, and ensure your part can move straight from design to production with full confidence.Now upload your CAD file to receive instant feedback or request a manual “Engineer Review.”
How fast can Rapiddirect deliver?
Lead time depends on part complexity, quantity, and selected process. Kingsun (CNC/3D printing) can ship within 3–5 days, while injection molding and low-volume production usually take 2–4 weeks. For a precise timeline, please submit your 3D/2D drawings, material, and quantity—our system will instantly estimate your lead time during quoting.
What surface finishes and colors are available?
Kingsun provides extensive finishing options for both metal and plastic parts, including anodizing, powder coating, painting, electroplating, brushing, bead blasting, and polishing. Custom colors can be achieved through pre-colored resins or post-finishing with RAL or Pantone references. We also support color consistency verification and gloss level control to ensure visual uniformity across batches. You can explore finish types and examples on our Surface Finishing and Materials pages.
What if my parts do not meet the required specifications
At Kingsun, every product goes through strict verification—from trial production and inspection testing to customer confirmation—before shipment. Our quality assurance process ensures that all parts meet the agreed specifications before delivery, minimizing the risk of nonconformities. We take pride in our precision and reliability, and every shipment is the result of a joint confirmation between our engineers and customers.
Put your parts into
production today
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