HS Code: 73066900
Product Description: Tubes,pipe&hollow profiles,welded,of non square/rectangular ...
Product Chinese description: 其他非圆形截面的焊缝管

HS Code: 73069000
Product Description: Tubes, pipe & hollow profiles, i/s, welded, nes
Product Chinese description: 未列名钢铁管及空心异型材

HS Code: 73071100
Product Description: Fittings, pipe/tube, of non-malleable cast iron
Product Chinese description: 无可锻性铸铁管子附件

HS Code: 73071900
Product Description: Fittings, pipe/tube, cast, of i/s, nes
Product Chinese description: 可锻性铸铁及铸钢管子附件

HS Code: 73072100
Product Description: Flanges, stainless steel
Product Chinese description: 不锈钢制法兰

HS Code: 73072200
Product Description: Threaded elbows, bends & sleeves of stainless steel
Product Chinese description: 不锈钢制螺纹肘管、弯管及管套

HS Code: 73072300
Product Description: Fittings, butt welding, stainless steel
Product Chinese description: 不锈钢制对焊件

HS Code: 73072900
Product Description: Fittings pipe/tube of stainless steel, nes
Product Chinese description: 不锈钢制其他管子附件

HS Code: 73079100
Product Description: Flanges, i/s, nes
Product Chinese description: 其他钢铁制法兰

HS Code: 73079200
Product Description: Threaded elbows, bend & sleeves, i/s, nes
Product Chinese description: 其他钢铁制螺纹肘管、弯管及管套