| contact us Address: Room 402, West Block, Ganghongji Business Building, Nanshan District, Shenzhen 1107, Building 1, Hengtaiyu Building, Tongtong Road, Fenghuang Street, Guangming District, Shenzhen 11th Floor, Second Training Building, Guangdong Light Industry Vocational and Technical College, No. 152 Xingang West Road, Haizhu District, Guangzhou City Tel：0755-86325431 facsimile：0755-86325431 Service email：sales@topbiotech.com.cn |
