Sir .
we are sri lankans .we have got registered and been invited to visit a trade fair in Hong kong during coming December 2009. And also from a china company to visit it in china.
This is our first vist to Hong Kong and China.
Can we apply for Hong Kong visa with the fair invitation ?there are some company reference letters as well from Hong Kong inviting to buy their products.
Please rely us soon.
my e-mail ; yahoo.com|abeyaranahector

Hector