Zhejiang Jinlei Refractories Co., Ltd. is principally engaged in the research, development, manufacture and distribution of refractory materials for secondary refining vessels, as well as the provision of design, installation, construction and maintenance of refractory materials. The Company primarily provides two categories of refractory materials for secondary refining vessels: magnesium and calcium series, as well as compound carbon series, including fired magnesia-calcium bricks, unburned magnesia-calcium bricks, magnesia-carbon bricks and magnesia-alumina-carbon bricks. Its products are applied in the melting of stainless steel series, special steel, alloy steel, die block steel, spring steel and bearing steel, among others.