can I renew my 2 sons L visa in bankok while we holiday there

just to be clear...we live in china ,as i have an F visa ,but as my sons are students they are only on L...so they are only for 6 months , and they are due to be renewed...as such , we don't have return flights out of china as I am residing there on business...thanks

Hi, Chinese visa can not be renewed after issue. If your son's L visa is single entry and had been used to enter China, they need to apply new visas. But if you are now in China, it can be extended at local PSB. To apply new visas in Bangkok is now difficult if you are short time visitor there. so, better have it done in China, through an agency if necessary.