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    Copyright£ºTangshan Outstanding Science and Technology Co.,LTD
    Address: Room No.510-511 Oriental building C, No.152 North Jianshe Road, High-tech development zone, Tangshan city, Hebei province, China (063020)
    Tel£º+86-315-3179549  Fax£º+86-315-3195748  Website£ºwww.otsk.cn  Email£ºotsk@163.com  Contact:Mr Wang +86-18631540014