Chongqing Borida Construction Materials Co., Ltd, was established in the Year of 2007 in Chongqing City, China. Our Advantage are as below: 1. Laboratory with Enough-Skill Technical Engineers 2.Several Production Line with Experienced Workers 2. Kinds of Certificates 3. Best Services -- Consult Team As a Manufacturer & Supplier of Construction Materials, Borida always focus on a series of building raw materials, such as: Water-Reducer, Accelerator, and kinds of Addtives for Concrete Admixture, Cement Admixture, Pumping, Mortar Admixtures in the Application of Railways, High-Speed, Water Conservancy & Hydropower Projects, Bridges, Tunnels, and Concrete etc. During these years, Borida owned The 30,000 Square Meters Area with Enough-Exprience & Technical Skill; Professional Certificates; Techincal-Supporting Laboratories; Diffierent Production Lines; Best-Serives Teams to establish Domestic Market & Globle Trading Corporation to win-win. It is our goal that Borida will be rapidly developed to build business with cooperation all over the word! Using widely in high-speed railway, electricity, water conservancy and hydropower projects, subways, large bridges, highways, harbor terminals and various construction projects.China 85% Micro Silica website:http://www.cqbrd.net/