Zhang Yulong Yu is a high-end wine. It is the flagship strategic brand of high-end wine positioned by Changyu Company, and it is also described as "China high-end wine that surprises the world". Changyu Longyu Red Wine has won the gold medal in the international wine competition for many years in succession. Under the situation that the China market has been short of its own top brands, Changyu Company launched Longyu to supplement this market gap.