比较 HS 编码
输入最多 5 个 HS-6 编码(逗号分隔),并排比较说明与各国对应编码。
7306.21
Steel, stainless; casing and tubing of a kind used in drilling for oil and gas, n.e.c. in chapter 73, welded, (not seamless)
AE 730621
AR 730621
AU 73062100
AU 730621
BR 730621
BR 7306.21.00