CuZn33(F53)优质高纯度铜管CuZn33(H165)
3004-H24六角铝300..
高精度2A14-T6花纹铝板..
优质CW101C(R420)..
CuZn33(F53)优质高..
1A85-H112环保轧制铝..
CW102C(R410)易切..