Longjing is a type of green tea that is mainly produced in Zhejiang Province in the east of China. Longjing is well recognized as "The Famous Chinese Tea" because of its unique fragrance and taste, which enjoys great popularity in china and also overseas. Longjing is usually harvested by hand, so depending on its origin, picking time, and kind, it can be extremely expensive or very cheap. Besides, it contains Vitamin C and other elements that are beneficial to our health. As a result, drinking it often helps relieve fatigue and delay the aging process.