xiamen shangshang technology co.,ltd
Customer NO.1, Quality NO.1 Continuous improvement
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With two decades of experience in precision machining, we deliver custom CNC parts that meet demanding standards for quality and performance. Our services are tailored for customers needing non-standard, highly accurate components with tolerances as precise as ±0.01mm.
From prototypes to small production runs, we focus on providing consistent, dependable results for industries ranging from electronics and medical devices to automotive and aerospace.
Precision Level: ±0.01mm
Size Range:
• Width: 1.5mm to 80mm
• Maximum length: 1000mm
Materials Processed: Aluminum, stainless steel, copper, carbon steel, brass, and more
File Types Supported: PDF, DWG, STEP, IGS, STL
Capabilities: CNC milling, CNC turning, threading, boring, polishing, and secondary operations
Our engineering team thoroughly reviews each design to guarantee feasibility and ensure that your parts meet both functional and aesthetic requirements.
We operate under an ISO 9001-certified system, emphasizing strict process control and continuous inspection. Parts are checked at multiple stages using precision tools such as CMMs, calipers, and micrometers.
Customers can request full quality documentation, including dimensional reports and material certifications.
What’s the minimum order quantity?
We can handle orders as small as a single part, ideal for prototypes or low-volume applications.
Can you meet ±0.01mm tolerance on all parts?
Most of the time, yes. We review your specific design to confirm tolerance feasibility based on material and geometry.
Which materials can I choose from?
We work with a wide range of metals, including stainless steel, aluminum, copper, and carbon steel. If you have special material needs, let us know.
How fast can you produce my parts?
Standard lead time is 3–7 days, depending on complexity and volume.
Do you provide international shipping?
Yes, we ship to the US and worldwide using trusted carriers such as FedEx, UPS, and DHL.
How do you ensure accuracy and consistency?
Every part goes through careful inspection before shipment. We provide full reports upon request to guarantee quality.
Share your drawings or prototypes with us today, and we will prepare a fast, competitive quote customized to your project.
| Project Description | |
| Design/size according to customer's sample or drawing | |
| Material | |
| Copper | H59 H62 lead-free copper and purple copper, etc. |
| Titanium | TC4 (TiAl6v4, grade 5). |
| Alloy steel | 15Cr, 20Cr, 42CrMo) |
| Aluminum | 6061, 6063, 6082, 7075, 5052, A380, etc. |
| Plastics | POM, paraformaldehyde, nylon |
| Steel | Mild steel, carbon steel, 4140, 4340, Q235, Q345B, 20#, 45#, etc. |
| Stainless steel | SS303, SS304, (SS304 food grade), SS316, SS316L, SUS430, SS416SS201, SS301, |
| Other | |
| Surface treatment | Transparent anodizing, color anodizing (color code required, actual samples to prevent color difference), chemical film, passivation, polishing, chrome plating, sandblasting, laser engraving, zinc plating, black oxide, nickel plating, chrome plating, carburizing, heat treatment |
| Test Equipment | Rockwell Hardness TesterSalt Spray TesterRoughness TesterCloud Disc High Speed Tester SP-T300 |