... -200ton 3.10 years' experience in metal stainless steel stamping part Certification: ISO9001-2000 1. Material: iron, carbon steel, stainless steel ,brass, aluminum and other metals2. Specification ... : stamping, punching, bending ,CNC lathes, milling drilling,grinding etc5. Surface treatment: Zinc plated,power coated,chrome plated,hot-dip galvanized or others6 ...