Cemex Colombia, a unit of the Mexican cement producer Cementos Mexicanos (Cemex) has considerably improved two of its cement products before re-launching them on the local market, company’s officials reported on February 4, 2004.  The improved cement products were Cemento Samper and Cemento Diamante. Cemento Samper is reportedly one of the most popular high-quality cement brands in Colombia due to its phisical and mechanical qualities.  Cemento Samper, sold in the country since 1909, and Cemento Diamante, sold since 1927, have the quality certificate ISO 9002.  After the increase of the sales of Mexican Cemex’s by 8.0 per year-on-year in 2003, the company has launched a promotion compaign for its improved products The compaign will be carried out in 11 cities in Colombia.