The group uses the latest electronic methods and modern applications to serve customers. quickly, efficiently and effectively, in order to facilitate customer service and access to and order products electronically through the application of smart phones without the need for traditional methods.

Pure limestone is often found in white and whitish colors. Due to the presence of impurities such as clay, organisms remains, iron oxide and other components, most of the limestone are found in different colors, especially if they are weathered. Based on their formation process, limestone could be seen in crystalline, clastic, granular or massive forms in nature. The presence of calcite, quartz, dolomite or barite crystals may create some small cavities in rocks. The Folk and Dunham classifications are used to scrutinize the limestone in detail.

The Calcium carbonate is especially used in architecture, and many historical masterpieces all around the world, especially in North America and Europe are made from this combination. Many buildings in Kingston, Ontario of Canada are made of calcium carbonate, so they are also called calcareous cities. Among the most important artworks of the world, the Abraham Lincoln Statue in Washington, the Parthenon Building in Athens, the Church ceiling of Kraków in Poland, and the Great Lion Statue of London’s Trafalgar Square are made of the calcium carbonate. Another feature of the calcium carbonate is that it could be easily crushed into smaller pieces. Meanwhile, its durability is long-lasting and could be well exposed on the surface. The application of the calcium carbonate in buildings was common in the early

Tanin Arad Yekta Company started its commercial activity in to supply raw materials for paints, plastics, inks, and adhesives industries, and since it has participated in and produced micronized mineral powders of calcium carbonate, talc, barite, ocher, lithopene, etc. It has micronized very soft granules in Aligudarz city. This company, by using experienced and experienced staff in the field of preparation and supply of various materials and providing technical advice, regarding the optimization of formulations and reducing the cost in the paint industry and other related industries, is an effective step for the country&#;s industries to flourish. Removed.

ساختار اندام دام دارای ذخایری از منیزیم است. که بخش عمده ای از آن در است.خوان های مهره ها و دنده نگهداری می شود. و هنگامی که در دام ها کمبود منیزیم اتفاق می افتد،به منظور جبران آن از ذخیره منیزیم است.خوان‌هایشان است.فاده می‌کنند. که این حالت در دام های جوان اتفاق می افتد  در حالی که دام های بالغ به علت کمبود منیزیم در اثر بروز Tetany تلف می شوند.