Located in the beautiful spring city of Jinan, Shandong woao Chemical Co., Ltd. is mainly engaged in import and export trade. It has three own calcite mine resources in Vietnam. The factory covers an area of 7.5 hectares. The porcelain white phase, calcium carbonate content reaches more than 99%, and the whiteness can easily reach more than 99. The produced calcium carbonate has high whiteness, high brightness, low oil absorption and good machining performance, The products are mainly used in medium and high-grade rubber and plastic, ink, paper, coating and other products with excellent quality and low price. They are divided into calcium carbonate and activated calcium. New and old friends are welcome to consult and use.