It seems to be a computer program that processes your mail and in most cases gets back at you with a question designed for you to spend more money. Specific questions in 99% of cases will not be addressed and you cannot exchange personal contact info, the site will block it out

I think the answer to your question is buried with in the question.
Do realize the time difference between the Western and the Asian continents, at least 24 hours difference.
Meaning, you open a profile at 10:00 am Western time.
More likely your dream dream girl is sound a sleep or out having a blast with all the US dollars she made during the day time.
Keep in mind, one USD = $ 7.06 CHY, you do the math.
Minimum wages in China are calculated per month and average $2480. 00 CHY per one month.

It even gets better if your dream girl is in a Pinay in the Philippines.
1 USD = $51.29 Philippine pesos
Minimum wages in the Philippines are calculated per day and average $270.00 PHP per day to (Agricultural workers)
And $280.00 PHP per day to (Non Agricultural workers)