We, Myanmar working in Korea, want to visit to Hong Kong.

KTA, if you go there for tourism, the required documents include your passport and copy of its data page, the application form attached with a passport-style color photo, your ARC card or work permit in Korea, financial support proof, as well as transportation arrangement such as flight itinerary and proof of travel purpose to HK.

You can contact with the embassy of PRC in Korea and inquire that your application will be accepted or not. Tel: (822) 756-7300　
Or you can post your application to HK immigration department directly. But it will take about a month orso, you should prepare earlier.