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      1. 欢迎来到expekt商贸官方网站!
        Contact us
        Telephone:86-10-58677289   4008-100-128
        Fax86-10-58677181
        Emailmed@bttco.com.cn
        Address: Rm2909, NO.1 Building, Jia NO.6 ShuGuangXiLi, Chaoyang District, Beijing
        After sales service center

        Address: Rm2902, NO.1 Building, Jia NO.6 ShuGuangXiLi, Chaoyang District, Beijing
        Contacts:miss Yin

        Telephone: 4008-100-128
                            86-10-58677289   or   86-10-58677567
        Fax: 86-10-58677289-291