... experieced manufactory 3.Good quality,reasonable price Metal stamping electrical switch terminals About Us1. We have more than 12 years ... experiences for this line . 2.Rich experienced engineers and worker team, advanced punching machine,testing equipment etc. 3 ... steel , Iron, Copper, Brass, Tinplate, Alminum ,bronze ,carbon steel, and so on .6.Equipments: 5ton-500tons high speed stamping machine ...