From 1^st of May, for export goods that originally applied a 17% tax rate, the export tax rebate rate was adjusted to 16%. For export goods and cross-border taxable activities that originally applied an 11% tax rate, the export tax rebate rate was adjusted to 10%.

News from Ministry of Finance of China. Translated by Google.

http://szs.mof.gov.cn/zhengwuxinxi/zhengcefabu/201804/t20180404_2862283.html