www.changyuintl-e.com
Changyu Holding Group Co., Ltd: We are a group company start from 1976, located in Zibo and Qingdao China. Manufacturer of PA610, PA612, PA1012, PA6I/6T, modified nylon, zirconium oxychloride, zirconium dioxide, zirconium carbonate, yttrium stabilized zirconium, scandium oxide.
