The centralized organisation serving as a conduit between the government and Muslims is the Islamic Association of China https://en.wikipedia.org/wiki/Islamic_Association_of_China Among other things, it has produced an official translation of the Qur'an, published by China Social Sciences Press http://www.csspw.com.cn/booksclass_159590_1_2__0_issueddate_... If he'd been selling that one, it would've been unproblematic. (But also unlikely to be very profitable.)