JD.com’s used-goods site closes after 4 months by Tom Marling in Marketplace 05 Jun 2017 Online used-goods platform Kumai, launched by e-commerce giant JD.com in February, will shut down. Already, the homepage is blank. JD.com said the decision to close Kumai was taken due to a “business transition.” This article is only available to AIM Group clients. Please subscribe now or log in to view. Share 58.comalibabaJD YoupinJD.comKumaitaobaotencentXianyuZhuan Zhuan Tom Marling Tom is a PhD candidate in Chinese History at Hong Kong Baptist University, and former PR consultant in Mainland China. He joined the AIM Group in 2016 as a writer/analyst.