The document summarizes the results of an online survey about coffee chains in Vietnam. The key findings are:
1) Trung Nguyên Coffee, Highland Coffee and Phúc Long are the top well-known coffee chains, with Highland Coffee having the largest market share of 25%.
2) Point of sales and word-of-mouth are the main sources of brand awareness for coffee chains.
3) Taste of beverage is the top reason for choosing a particular coffee chain.