Zhejiang Shangguijuli Special Material Technology Co., Ltd.  is a manufacturer specializing in R&D and production of high-performance silicon nitride ceramic products. Such as high thermal conductivity diving heater, immersed electric heater, heater protection tube, riser tube, degassing rotor, thermocouple protection tube, stopper pipe and crucible for aluminum foundry & casting. Our company adopts the world's advanced silicon nitride ceramic production process and precision processing technology, especially our high thermal conductivity diving heater developed by our company, it is a technological revolution in the entire aluminum casting industrial furnace, especially the holding furnace field, which will bring great production benefits and saving electricity, materials and labor costs for customers.

Our products have thermal stability, high mechanical strength, thermal shock resistance, and corrosion resistance, which not only reduces elution pollution, but also has a long service life, which can save a lot of maintenance and replacement time and cost for customers.

Our company will continue to research,develop and innovate technology to provide high-performance silicon nitride ceramic products and professional solution for customers in aluminum foundry & casting. We sincerely welcome your inquiry and cooperation.