As for the credit card of China Merchants Bank, during the period from September 16, 2065438 to February 28, 20 18, cardholders can enjoy random cash back for each pen when swiping the personal credit card of China Merchants Bank (excluding the business card) in Hong Kong, with a maximum cash back of 10% for each pen and a maximum cash back of 65438 yuan for each household.
You can open the following links to view the activities: Web links.