Zhejiang Shangguijuli Special Material Technology Co., Ltd. is a leadingmanufacturer specializing in RD and production of high-performance silicon nitride ceramic materialin China. With the advanced production process of silicon nitride ceramic and precision machining technology, we provide professional and most suitablesolutionof silicon nitride materialfor customersin the field of advanced equipment,new energy, electric vehicles, aerospace etc. SG-28, a new silicon nitride materialfor the aluminum industry developed by us, its thermal and mechanical properties have been significantly improved over similarproducts, especially our L-type high thermal conductivity diving heater RD basedon SG-28, it will bring revolutionary progress to the aluminum industry equipment. ...