... square metersPunchesOver 130 setsExperienceOver ten years experience in metal stamping parts.MaterialStainless steel, iron ,aluminum alloy, red copper, brass, bronze alloy ... , welding, Bending, sheet metal fabrication, and metal assemblyCertificateISO9001:2008. RoHSApplicationtemperature controller, mutual inductor, relay, sound ,car GPS ,Car chargers, etc.Coatingnickel ...