関連ワード:  shipping hsn code 6 digit    freight hsn code 6 digit    freight hsn code 6 digit gst rate    shipping charges hsn code 6 digit    freight charges hsn code 6 digit    delivery charges hsn code 6 digit    freight outward hsn code 6 digit    freight inward hsn code 6 digit    freight exp hsn code 6 digit    freight charges hsn code six digits