Yaya down jacket is a brand of China. Yaya Group is located at the southern foot of Lushan Mountain and beside Poyang Lake, with superior geographical position and convenient three-dimensional transportation by land, water and air. The waterway has Jiujiang Port of the Yangtze River, and Changjiu Expressway and Beijing-Kowloon Railway pass through the territory. Nanchang and Jiujiang airports, which are 3-4 kilometers apart, are located at both ends. "Yaya" was recognized as a well-known trademark in China and a national key protection brand, and "Yaya" brand down jacket was rated as a famous brand product in China and a national inspection-free product.