I want to go to hongkong in tourist visa

Hi, I am Mainul Hosen from Bangladesh. I m working at crowne plaza bangkok lumpini park. I have already got the. 1 year work permit and I will stay and I will stay here another 10 months. I want to go to hongkong to meet with my my brother for 6or 7 days . So is it possible to get the hongkong visa for me and how I can get it.