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
Giling Basah called “luwak”. The coffee beans, still coated with mucilage, are then stored for up to a day. Afterwards the mucilage is washed off and the parchment coffee is partially dried for sale, retaining only 30% to 35% of the moisture content. Processors and collectors then hull the coffee in a semi-wet state, which gives the beans a unique bluish-green appearance. This method is thought to reduce acidity and increase body, resulting in the classic Indonesian cup profile. The Giling Basah process can create a "goat's foot," a split on one end, in green coffee beans. Sometimes the hulling machine partially