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            Address:South District, Jiugong Industrial Park,Beijing Economic and Technological Development

            Code:100076

            Sale Telephone:010-87972860

            010-87919717

            Service Telephone:010-87913053

            Fax:010-67988830

            Email:nhlk@bjnhlk.com

            Address(TianJin):No.19,Xiaqing road, Tianjin Development Zone

            Telephone:1861814531

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