Chatting with the LS engineers was so…
Chatting with the LS engineers was so helpful for my own design work - it gave me a much better understanding of the production side of things.
12 September 2025
Unprompted review
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Company details
About JS Precision
Written by the company
JS Precision is a professional custom manufacturing company providing one-stop services including CNC machining, sheet metal fabrication, injection molding, metal casting, investment casting, 3D printing, rapid prototyping, gear machining, and surface finishing. We help global customers turn their ideas into reality with speed and precision.
Our Capabilities:
- CNC Machining – Precision milling and turning for metals and plastics
- Sheet Metal Fabrication – Cutting, bending, stamping, and assembly
- Injection Molding – Custom molds and plastic part production
- Metal Casting – Die casting, sand casting, and other solutions
- Investment Casting – Complex and high-precision metal parts
- 3D Printing – Additive manufacturing for prototypes & small batches
- Rapid Prototyping – Fast and accurate prototypes for validation
- Gear Machining – High-precision gears and transmission parts
- Surface Finishing – Anodizing, polishing, painting, and more
We support a wide selection of materials and finishing options, serving industries including automotive, aerospace, medical devices, consumer electronics, and industrial equipment. From design validation to mass production, our expert team provides end-to-end support.
Our Service
Written by the company
- Precision CNC Machining Services
- High-quality milling and turning for metals and plastics. https://www.cncprotolabs.com/cnc-machining/
- Rapid Prototyping
- Turn your designs into functional prototypes quickly.https://www.cncprotolabs.com/prototyping/
- Injection Molding
- From molds to production plastic parts, cost-effective. https://www.cncprotolabs.com/injection-molding/
- Surface Finishing
- Anodizing, coating, polishing, and painting services. https://www.cncprotolabs.com/surface-finishing/
- Sheet Metal Fabrication
- Cutting, bending, welding, and assembly for metal parts.https://www.cncprotolabs.com/sheet-metal-fabrication/
- Metal Casting
- Die casting, sand casting, and investment casting options. https://www.cncprotolabs.com/casting/
- 3D Printing Solutions
- Additive manufacturing for prototypes and low-volume runs. https://www.cncprotolabs.com/3d-printing/
Guaranteed Quality Every Time
We stand behind the precision of every part.
All components are inspected before shipment to ensure dimensional accuracy, material compliance, and surface finish. If any part does not meet the agreed specifications, we will remake or refund it.
Contact info
#102, Building 2, No.1, South Jizhi Road, Humen Town, Dongguan City, GuangDong, China
- +86 189 2585 8912
- [email protected]
- www.cncprotolabs.com
One-Stop CNC & Prototyping Services
Although I only purchased one item
Although I only purchased one item, the service was outstanding and the response time was incredibly fast. I’ll definitely return for any future needs.
7 September 2025
Unprompted review
The quality of the parts is great
The quality of the parts is great, and the materials were exactly as specified. The only downside was the shipping, which took a bit longer than I'd hoped.
1 September 2025
Unprompted review
Verified
The packaging was secure
The packaging was secure, but a bit difficult to unpack. I mentioned this, and they adjusted it for my next order - I'm impressed with their service.
6 September 2025
I ran into some unexpected tariff…
I ran into some unexpected tariff issues when importing my parts, and I'm so glad LS Hardware was able to sort it all out for me.
28 August 2025
Unprompted review
These parts are great
These parts are great, and I'm especially impressed with the finish. Achieving an Ra0.4 finish isn't easy, but LS Hardware did a fantastic job.
20 August 2025
Unprompted review
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