Visit visa application from Dubai & France to Hongkong

Holding a lebanese passport & has residence visa in Dubai and in France.
1. What are the requirements? 2. How much is the visa fees and all fees that requires for the application from Dubai and France? 3. What are the mode of payment is it cash or credit card? please advise. 4. How long will it takes to process the application from Dubai and France? 5. Where can we apply and how can we send the documents required for the application? Do you have accredited agencies that we can apply directly in Dubai and France? 6. Please advise if what is the exact address that we can send all the required documents.