We supply custom-machined copper ground pins tailored for high-reliability electrical and mechanical applications. Each unit is crafted from premium-grade copper and finished with acid pickling, delivering a clean, oxide-free surface optimized for electrical contact and durability.

Manufactured in our China-based ISO 9001-certified facility, we offer competitive lead times and support both low-volume prototypes and high-volume orders. Our machining capabilities ensure every piece meets your exact design intent with a tight tolerance of ±0.01mm.

• Material Options: Pure copper (C11000, C12200 or per request)
• Surface Finish: Acid pickled by default, with optional treatment per customer request
• Machining Tolerance: Up to ±0.01mm
• Available Dimensions:
  • Width/Diameter: 1.5mm to 80mm
  • Length: Up to 1000mm
• Processes: CNC turning, threading, slotting, hole drilling
• Minimum Order: Flexible MOQs for different project scales
• Turnaround Time: Normally 5 to 7 working days from confirmation

• Clean Electrical Contact Surface: Acid pickling removes oxidation and residues for low-resistance performance
• Stable Quality from China Factory: Over 20 years of experience in custom machining and export production
• Built to Order: We manufacture 100% based on your drawings and specifications
• Quick Lead Times: In-house production ensures fast and consistent delivery
• End-to-End Control: From raw copper material selection to final packaging

1. Send Your Drawings: Preferably STEP, IGES, or PDF with dimensions/tolerances
2. Receive Quotation: We'll return an official quote within 24 hours
3. Production Begins: After approval, we proceed with machining and quality checks
4. Shipping Worldwide: Delivered via trusted couriers (FedEx, UPS, DHL) or your nominated forwarder

No - while acid pickling is our default due to its electrical benefits, we can also offer other finishes per your needs.

Yes, we fully support samples and small-volume testing runs.

We accept STEP, IGES, DXF, DWG, and PDF files.

Yes. Upon request, we can provide dimensional reports, RoHS compliance, and full inspection records.

Let us support your copper component needs with fast, dependable service and fully customized solutions.

Design/size according to customer's sample or drawing

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

Rockwell Hardness Tester, Salt Spray Tester, Roughness Tester, Cloud Disc High Speed Tester SP-T300