In 2006 , for example , america threatened to file a complaint over china 's duties on kraft linerboard . China lifted the duties the next working day .
例如，2006年美国曾威胁就中国的牛皮面纸板关税提起诉讼，于是中国在第二个工作日就取消了该类关税。
Simultaneously , the ministry of commerce issued questionnaires to other unbleached kraft linerboard producers in the chinese mainland on file , soliciting their opinions on the application .
