Having prepared the massive documentation and spent over a year on the case, D.L. Hou, manager of Shinkong's engineering plastic dept. points out that, with the advantage of an import tariff of only 2.5 percent in 1989, Korean industrialists were able to take 36 percent of the domestic PBT market by making low FOB price quotations.
整理出厚厚一大疊檔案，自稱在這件案子上「搞了一年多」的新光合纖工程塑膠材料部經理侯玳梁指出，韓國業者在一九八九年間，藉著台灣關稅僅百分之二．五的優勢，以低於其國內售價百分之卅六的報價進入台灣 PBT 市場。