Jing dong mall accounts for 18 per cent of that , behind tmall with 49 per cent .
京东商城占据了其中18%的份额,落后于淘宝商城的49%。
Taobao and tmall forecast handling about one trillion yuan , or roughly $ 160 billion , in transactions this year for an array of goods , including clothing , furniture and electronics .
But it is being squeezed both by tmall , the b2c platform of china 's alibaba group , and dynamic new rivals with business models which promise higher margins .