Shandong Polytai new material Co., Ltd.
Sales 1 Department (+86 19653098288) 
E-mail: p6@polytai.com
Sales 2(+86 17553031098) 
E-mail: p7@polytai.com
Sales 3 Department (+86 17560588617)
E-mail: p8@polytai.com
Sales 4 (+86 17560588657) 
E-mail: p9@polytai.com