Will fake seafarers' health certificates be discovered?

Yes According to the enquiry of China Travel official website. It is illegal to forge seafarers' health certificates, and illegal crimes will always leave evidence. The people's court shall investigate and collect evidence that the parties and their agents ad litem cannot collect by themselves due to objective reasons, or evidence that the people's court considers necessary for hearing a case, and comprehensively and objectively examine and verify it in accordance with legal procedures.