You should contact the SAFEA. You can quote the SAFEA guidelines directly to your employer.

the institution shall provide the experts with housing equipped with furniture, bedding, warming and cooling facilities. The house should have a washroom with bathing equipment and should be equipped with appliances such as a TV set, refrigerator and washing machine. Telephone should be installed in each room if possible. For experts with long term residence a kitchen with cooking apparatus is preferred

If you're not working on the proper residence permit then don't contact the SAFEA, just leave. If you are working on an RP you'll need to weigh up the pros and cons before deciding whether to do a runner. At least HK is not far away.