UPSTAR INDUSTRY CO., LTD is establied in 2013,specialied in tradingof dental materials, dental equipment and appliances. Our productsinclude acrylic teeth, diamond dental burs, dental casting wax andso on.The acrylic teeth we deal with have CE certificate,it is warmlywelcomed in home and abroad.The factorydeveloped H-R-A(Height Resistance of Abrasion) power,andapplied it to the production of multi-layers synthetic resinteeth.The study for using of organic ontology materialsto increase teeth abrasion resistance opened a new road,andthis technology is unique in the world. Weadopt internaltional standards to do teeth abrasion test foraddition of HRA material or not,addition of HRA materials thatabrasion value of synthetic resin teeth is 22.95mg,on thecontrary,is 77.75.Through calculation,teeth wear-resisting degreewill enhance 3.4times thanbefore.