can i apply for chinese work visa from hong kong

i have a one month business visa for china and just came to china yesterday............my employer will give me a working visa......but by the time the paperwork is completed for me the one month will have expired....can i apply for the working visa from hong kong..........there are all new regulations and dont know how to arrange visa.................i am not going back to ireland to apply..........any and all help would be greatly appreciated