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    US Home Office:

    Daniel Johnstone, SEMETROL, LLC 

    Address:
    13312 Shore Lake Turn Chesterfield, VA 23838,USA 

    Phone: 
    1-804-536-7005

    Email:
    Djohnstone@semetrol.com

    China Representative:

    Nick Zhang, Cross-Tech Equipment Co., Ltd.

    Address:
    Suite 902, No. 3, Magnolia Green Square, Lane 251, Songhuajiang RoadShanghai, China 200093 

    Phone: 
    +86-021-56035615, 021-55883503, 13916855175

    Email:
    nick@crosstech.com.cn