GSP cumulation benefit also occurs when an imported article that was produced in two or more eligible member countries of an association is accorded duty-free entry.

普惠制优惠额也发生在当进口商品是在二个或更多的联盟成员国生产，这时可免进口关税。

youdao

These export-processing zones provided for duty-free entry and duty-free exit for export-oriented goods and helped in the transfer of technology and skill to the developed countries.

CNN: Thai Inquiry