Computer-mediated communication(CMC)tools have become prevalent in organizational operations and social life in China.Although prior studies have explored how CMC tools support work-related interactions between Chinese employees,existing understandings about affective interactions and details of media usage are limited.High-quality connections(HQCs)and workplace guanxi are respectively the instantiations of work connections and personal relationships in Chinese workplace,which contain the affective component(i.e.,emotions,sentiments and affections).This study adopts the “affordances-for-practice” lens and the communicative ecology framework(CEF)to examine the action possibilities of building and maintaining HQCS and workplace guanxi enabled by CMC tools,as well as the interplay of communication media,content and social structure that shapes interlocutors.An interpretative,exploratory case study on two Chinese companies identifies four affordances-for-practice for HQCs and two for workplace guanxi.Theoretical and practical contributions are also discussed.