Sach trang CNTT-TT 2013 full_ver 2.1

9. Several digital signature authentication service providersViet Nam Posts and Telecommunications Group (VNPT-CA)Address: Internet Building , Plot 02A, International Thang Long Village, Cau Giay Dist., HaNoi, Viet NamTelephone: (84-4) 3793 2924/3793 0506; Fax: (84-4) 3793 0506Website: www.vnpt-ca.vnNacencomm Technologies JSC (CA2)Address: 5 th Floor, No 02 Chua Boc Str., Dong Da Dist., Ha Noi, Viet NamTelephone: (84-4) 3576 5146; Fax: (84-4) 3576 5147Website: www.cavn.vnFPT Information System JSC (FPT-CA)Address: 22 nd Floor, Keangnam Landmark Tower, Plot E6, Pham Hung Str., Cau Giay Dist., HaNoi, Viet NamTelephone: 1900 6625; Fax: (84-4) 3514 3663Website: www.ca.fis.com.vnViettel Group (VIETTEL-CA)Address: N2 Viettel Building, Km No 2 Thang Long Avenue, Me Tri Ward, Tu Liem Dist., HaNoi, Viet NamTelephone: 1900 9099; Fax: (84-4) 6288 0005Website: www.viettel-ca.vnBkav Co., Ltd (BKAV-CA)Address: Bkav Building, Yen Hoa Ward, Cau Giay Dist., Ha Noi, Viet NamTelephone: (84-4) 7305 0060/1900 5454; Fax: (84-4) 3782 2135Website: www.bkavca.vnCK Media (CK-CA)Address: No 4/122 Dinh Cong Str., Hoang Mai Dist., Ha Noi, Viet NamTelephone: (84-4) 3664 7888; Fax: (84-4) 3664 7770Website: www.ckca.vnNewtelecom Media JSC (Newtel-CA)Address:No.08 Lang Ha Str., Ba Dinh Dist., Ha Noi, Viet NamTelephone: (84-4) 3772 7766; Fax: (84-4) 3772 7755Website: www.newtel-ca.vnSmartsign JSC (Smartsign-CA)Trụ sở chính: No. 385C Nguyen Trai Str., Dist. 1, Ho Chi Minh City, Viet NamĐiện thoại: (84-8) 3920 8141; Fax: (84-8) 3920 8142Website: www.smartsign.com.vnSafecert JSC (Safe-CA)Trụ sở chính: No. 37 Ton Duc Thang Str., Dist. 1, Ho Chi Minh City, Viet NamĐiện thoại: 08 22200911; Fax: 08 22200913Website: www.safecert.com.vn156