Liling xing tai long special ceramic co., ltd. was established in 1997, specializing in research and development, manufacturing Fire assay crucible,Mgo Cupel,High Alumina ceramic crucible,Sulfur Carbon Crucible, BeO ceramic product,Aluminium Nitride Ceramic product, PBN &BN ceramic product. Main as: fire assay crucible,mgo cupel,sulfur carbon crucible,laboratroy ceramic crucible, Alumina/Aluminium Nitride Ceramic/PBN/BEO substrate . Also accept OEM and ODM.