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 | Sales Representative Northern Region Tel. +52 (81) 83.29.36.00 ext. 1379 ID Nextel: 52*44009*103 E-mail:jmorae@vitro.com

| |  | Sales Representative Western Region Tel. +52 (33) 3695.6189; 3695.6429; 31641394 y 31641857 E-mail:rchapa@vitro.com

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 | Sales Representative Central Region Tel. +52 (55) 5227.6057 y 5227.6020 ID Nextel: 52*44009*98 E-mail:RValdez@vitro.com

| |  | Sales Representative Northwestern Region Tel. +52 (664) 623.8028 ID Nextel: 152*148866*1 E-mail:rtorresg@vitro.com

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 | Sales Representative Southern Region Tel. +52 (999) 946.2729 ext. 106 ID Nextel: 52*44009*95 E-mail:sdelatorre@vitro.com

| |  | Sales Representative Central and Southern Region Tel. +52 (222) 282.6941 ID Nextel: 72*154608*3 E-mail:extysanc@vitro.com

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