By using centrifugal casting and various static casting technology, QYD is one of the largest high alloy(stainless&heat resistant steel) casting products supplier in China. In glass industry, we supply LOR and all kinds of annealing lehr rollers(from A zone to F zone). Holding more than 80% Chinese market share and keeping long term cooperation with Saint-Gobain, AGC, NSG, Guardian, KCC, CNUD-EFCO, Fives, CTIEC etc. in oversea market. In steel&metal industry, we supply hearth rolls, radiant tubes, hot rolling transportation rolls and other heat resistant castings used in various kinds of heat treatment furnaces(CAL,CGL,CPL etc.) and heating furnace. We are cooperating FIVES, CMI, SMS, DREVER, Chugai Ro, and most of Chinese steel groups. In petrochemical and DRI industry, we supply reformer tubes etc. QYD is also the earliest and biggest heat resistant materil supplier in China, its fiber, composite material products are widely used in steel, glass and building industries. QYD also have EPC certificate for flue gas treatment project, like de-dust, de-Sox and de-Nox etc.