... keychain,pu keychain,promotional leather keychain,pu keychain,car keychain1. Material:zinc-alloy(Available aluminum alloy, brass ... selling various gift metal ,our products are special commemorative key chains ,metal key chains ,badges ,medals ,coins ,bottle openers , ... 50T punching machines, several 500T oil hydraulic pressing machines.3): other fabricating machines: 10 sets of polishing machines ...