Taobao ask buyer to use the Taobao Wangwang for contacting with sellers best, only the chat record screen copy in Taobao Wangwang is the valid evidence for impleading.

• 淘宝要求买家尽量使用淘宝旺旺与卖家进行联系，只有旺旺上的聊天记录截图才能作为发起投诉时的有效证据。