Classification of badminton feather raw materials
Classification of badminton feathers (difference in raw material grades): 1. Goose feather material: feathers in mainland China are divided into three major producing areas Sichuan wool: from April to July every year, East China wool: (Anhui, Jiangsu, Zhejiang), from July to October every year in the northeast Mao: (Three Northeastern Provinces), from October to December…