- Contact Us
-
Zhangjiakou OSST Co., Ltd.
- Address：NO. 9, Qiaodong District, Zhangjiakou City, Hebei Province
- Telephone：086-313-2228986
- Fax：086-313-2228043
- Contacts：Mr Wang 086-13831358884
- Mr Tang 086-13933761700
- PostCode：075000
- Email：osst518@163.com
- Site：www.zosst.com
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