1070-H18铝板1070A-H18铝棒厂商批发
LY12铝带厚度0.1-2...
LF12铝棒直径20-320..
CW104C(R400)铜棒..
CuZn40Pb2(F180..
CW104C(H190)铜带..
6A02-O铝材6A02-T..