Trung Nguyên its "Weasel" sub-brand. Due to the complicated production process, only 40–50 kg of "Weasel" coffee are produced annually. It is much more expensive than any of the company's other products: a 1 kg bag of "Weasel" coffee costs $3,000, six times higher than Indonesian kopi luwak. Dang has claimed, however, that Trung Nguyên's Vietnamese version is of higher quality, since production depends on wild or free range civets who choose the best coffee beans themselves, instead of being caged and force-fed. Currently, Trung Nguyen owns the system of four factories: Along with producing and processing coffee beans, Trung Nguyên operates
Kopi O milk and sugar. Thus, coffee brewers only add sugar into the coffee. Coffee without either would be 'Kopi O Kosong' (Kopi O nothing) Kopi O Kopi O is a traditional coffee commonly served in Malaysia and Singapore. It is a strong black coffee served with sugar. Today the coffee beans are roasted with sugar, butter, and oil. This type of coffee can be found all over Malaysia and Singapore, especially in coffee shops. It can be served with ice, which will change its name to Kopi O Peng. This drink gets its name from a mix of Teochew, a dialect