1. Chemical Composition Chemical Required data Explanation SiO2 55~ 70% Raw material with bigger particle of SiO2 can improve bricks refractoriness, reduce the shrinkage and....
SHUANGYASHAN ORIENTAL WALL MATERIAL GROUP CO., LTD is now holded by CECEP which is the biggest eco-friendly and service-oriented group in China. Shuangyashan Oriental Wall Material Group Co., Ltd....