Zhengzhou Sijihuo Refractory company (referred after SIJIHUO) was founded in the year 2000, located in Xinmi city, China's largest refractory manufacturing base. With more than 20 years’ development, SIJIHUO has established five modern production branches including raw materials bauxite, refractory brick, castable,corundum (BFA & WFA) factory, one R&D center, one testing center. Nowadays, we have become the only few large modern refractory group specialized in producing refractory from raw materials to semi-finished, finished products, together with kiln refractory construction .