23 Floor,Wuzhou Building,No.248,kaiyuandadao Luoyang, Henan
Henan Ruishi Investment Group co.ltd was established in 1992, through nearly 29years high speed development.Our group main products: Calcined flint clay, Calcium almuminate ,Brown fused Alumina , white ,fused Mulite, silicon carbide Powder,Ceramic ...
brown fused alumina, white fused alumina, calcium aluminate, ceramic foundry sand