i am Baba i asked a question about tax certificate

Baba, you need to get the following documents: passport, passport copy, application form, a recent color bare-headed photo, the original and photocopy of your residence permit, an introduction letter from your employer, an original Invitation letter issued by a trade partner in China, a photocopy of registration paper, and tax clearance certificate, proof of economic guarantee (such as personal bank account statement or pay slips from employer for at least four months), and flight booking and hotel reservations.