... . Certification: ISO9001:2008, ROHS and REACH 1.Name:electrical contact parts(ISO9001:2008)2. Material:Red copper,Brass,Stainless ... welding,riveting4. Surface treatment: Polishing, Zinc plated, Nickel plated, Silver plated5. Thickness: as per drawings requirement6. Size: No limitation7. ... you need. You can send us the samples. Negotiation The quality, the quantity, price, delivery time, payment term , ...