Leadsun Refractory established in 2013 and located in Qingdao City, Shandong province, a city being a grand sea port in the world.Specialized in the producing and trading of all types of refractory and insulation materials. Mainly products fire clay bricks, high alumina bricks, insulating bricks, ceramic fiber products, calcium silicate products , unshaped refractory materials,MgO brick,rock wool and glass wool products.