FACTORY: SHANGHAI JUNQUAN STATIONERY CO.,LTD.No.1045, Jiaxin Road, Malu Town,Jiading District,Shanghai China.201801Email: service@artistbags.comYANGZHOU RICH ART SUPPLIES CO., LTD.No,8, Fuyou Rd., Shatou Town, Guangling Dist., Yangzhou 225000 China.