9903.81.45

HS 编码 9903.81.45（）在美国税则中对应"Pressure tubing (provided for in subheading 7304.31.60 (except for statistical reporting number 7304.31.6050), 7304.39.00 (except for statistical reporting number 7304.39.0016, 7304.39.0020, 7304.39.0024, 7304.39.0028, 7304.39.0032, 7304.39.0036, 7304.39.0040, 7304.39.0044, 7304.39.0048, 7304.39.0052, 7304.39.0056, 7304.39.0062, 7304.39.0068, 7304.39.0072, 7304.39.0076 or 7304.39.0080), 7304.51.50 (except for statistical reporting number 7304.51.5005 or 7304.51.5060), 7304.59.20, 7306.30.50 (except for statistical reporting number 7306.30.5015, 7306.30.5020, 7306.30.5026, 7306.30.5027, 7306.30.5028, 7306.30.5031, 7306.30.5033, 7306.30.5035, 7306.30.5041, 7306.30.5043, 7306.30.5056, 7306.30.5057, 7306.30.5085 or 7306.30.5090) or 7306.50.50 (except for statistical reporting number 7306.50.5030, 7306.50.5050 or 7306.50.5070))"。美国海关对该编码商品征收最惠国税率 (MFN) Free。