Китайцы очень хитрожопые! Хотят взятку за чем угодно, из за факта что не понимаешь язык и не знаешь что надо делать... Гугле перевод на
https://www.btcchina.com/page/refundFor refund transactions, if the declaration does not receive the goods and apply for a refund, please contact us in the "contact us". The administrator will review the log query function, to determine the user does not receive the goods, the money will be returned to the user bank account; if the goods received, because the goods have objection and apply for a refund, please provide the relevant documents for review, If the situation is true, we will return the money to the user's bank account.
В общем, надо писать в съпорта для начало...