25 to 3 kcal. The calorie of the ancient tea salted duck is 25 to 3 kilocalories per 1 grams, and the specific calorie may vary according to the quality and quantity of ingredients. Guming was founded in 21 and belongs to Zhejiang Guming Technology Co., Ltd., the founder of which is Wang Yunan. The brand was founded in Daxi Town, Wenling City, Taizhou City, Zhejiang Province, China.