shanghai local court eastern chinese city wenzhou use social media shame people repay debts china daily report tuesday citizens ignore court repayment order subject target advertisements popular chinese social media app wechat notify contact amount money owe paper say say court wenzhou ouhai district release name photos 20 local defaulters owe total 10.7 million yuan 1.61 million though china seek make credit available individuals bid develop consumer economy officials express concern surge level household debt estimate double less decade reach around 50 percent gross domestic product china outstanding household consumer loan surge nearly 30 percent end september year early country central bank governor recently issue strong warn risk rapidly rise debt reliable nationwide credit rat system authorities across country look ways crack people fail repay china court use social media shame debtors china daily