HS Code: 74111019
Product Description: Other tubes & pipes,of refined copper,outside D≤25mm
Product Chinese description: 其他精炼铜管，外径≤25mm

HS Code: 74111020
Product Description: Refined copper tubes & pipes, outside diameter＞70mm
Product Chinese description: 外径超过70毫米的精炼铜管

HS Code: 74111090
Product Description: Other tubes & pipes,of refined copper, nes
Product Chinese description: 其他精炼铜管，25mm＜外径≤70mm

HS Code: 74112110
Product Description: Tubes & pipes, of Cu-Zn base alloy(brass), in coils
Product Chinese description: 盘卷的铜锌合金（黄铜）管

HS Code: 74112190
Product Description: Other tubes & pipes, of Cu-Zn base alloy(brass), nes
Product Chinese description: 其他铜锌合金（黄铜）管

HS Code: 74112200
Product Description: Tubes & pipes, of Cu-Ni base alloy or Cu-Ni-Zn base alloy
Product Chinese description: 铜镍合金或铜镍锌合金管

HS Code: 74112900
Product Description: Tubes & pipes, of other copper alloy, nes
Product Chinese description: 其他铜合金管

HS Code: 74121000
Product Description: Fittings, tubes & pipes, of refined Cu
Product Chinese description: 精炼铜管子附件

HS Code: 74122010
Product Description: Fittings, tubes & pipes, of Cu-Ni or Cu-Ni-Zn base alloys
Product Chinese description: 铜镍合金或铜镍锌合金管子附件

HS Code: 74122090
Product Description: Fittings, tubes & pipes, of Cu alloys, nes
Product Chinese description: 其他铜合金管子附件