Zibo Ou Yihui Refractorie Materials Co., Ltd, predecessor is Zhoucun Xinlong Refractories Factory, which was established in 2005 and formally renamed in 2016. The company is located in Zhoucun District, Zibo City, Shandong Province, which is the largest producer of coke gemstones in China and a famous refractory production base in China. Our main products are Pyroxene, Mullite, Mullite sand, Mullite powder, Bauxite, Kaolin, Ceramic powder, Fireclay,Rrefractory castables. At the same time, we sell alumina powder, mullite, refractory bricks, aluminium silicate fibers and their products every year. At present, we have an annual output of 50,000 tons of calcination kilns and granular and fine powder processing production lines, professional technicians and product testing equipment.Ensure low impurity content, high bulk density, stable physical and chemical indexes, good refractory performance and processing granularity standard.