Z visa near to expire

i got z visa for work from paksitan with 000 day. no my company processing the document in shenzhen to get the resident permit. till now we are district lever police and after get clear from them then will submit the document for resident permit..but i am afraid my visa will be expired ( 30 day) before i submit the application in resident permit office. is there any problem if i go there to submit document little late ? what can problem i can face? even i got medical..work permit..local police registration.