Contact Shanghai Dasheng Health Products Manufacture Co.,Ltd Add:228 Shihui Road, Songjiang, Shanghai 201613, China Tel:+86-21-57783126 | 57784596 天貓:大勝旗艦店 Sales Dept: Jenny Wu jenny@dashengmask.com William Jiang william@dashengmask.com Mona Chen mona.c@dashengmask.com Rubert cheng rubert@dashengmask.com Logistics Dept: Jason Zhang logistics@dashengmask.com