Hsu Wen-hsiung, an engineer at the Union Chemical Laboratories at the Industrial Technology Research Institute (ITRI), points out that the raw materials for glass cost about NT $ 3-4 per kilogram, while those for crystal ware cost NT $ 30-40.
工研院化工所工程師徐文雄指出，一般玻璃原料每公斤三、四元，水晶玻璃原料每公斤要三十元。