Am with Nigeria passport married in china with china resident permit how do I get visa to hongkong

First, prepare the relevant documents: a fully completed application form, a passport-style photo, copy of passport, bank statement, transportation and accommodation arrangement, and your travel itinerary. Next, send the application to HK immigration department to apply for HK tourist visa. Here is the postal address:
Receipt and Despatch Sub-unit
HK Immigration Department
2/F, Immigration Tower
7 Gloucester Road
Wan Chai, HK