I viisted Hong Kong many times before now how i can get Hong Kong Visa

Dear Sir, I need you guidance regarding for Hong Kong Visa. Before i worked in China 4 years in a company and visited Hong Kong many times. Now almost 6 years passed for last Hong Kong visit now i am in Pakistan and working in another co. My boss interested to visit Hong Kong he did not visit before. Please guide me how we can get togather visa for visit. My boss can sponsor me as employee or i also need Bank statement and other documents beside Company sponsorship. Waiting for your an early and positive reply. Thanks and best regard's Tariq Habib E.mail: hotmail.com|Hamza_trades