T2紫铜管,T1紫铜管,T3紫铜管,C100紫铜管
IP1磷脱氧铜管,C1201..
303不锈钢线,202不锈钢..
H96黄铜管,H62黄铜管,..
TU0无氧铜管,TU1无氧铜..
T2紫铜管,T1紫铜管,T3..
2219铝合金管,2519铝..