Pingdingshan Youyin Biotechnology Co., Ltd.
Address: West of Sunguanying Village, Shangjiuwu Town, Baofeng County, Pingdingshan City, Henan Province, China
Contact: Manager Zhu  +86-17527276758
Contact: Manager Xu    +86-17527276778
Tel: +86-375-6566168
Email: sales@youyinchem.com
Website: www.youyinchem.com