Our company Gaobeidian Sanyuan Industry Co.,Ltd, is founded on 1998, It's incorporated with researching and developing Carbide Rotary Files and other Horniness Metal Circumvolution File. Our company possesses well equipments and advanced process. We are professional producer of Carbide Rotary Files. Our products are produced according to ISO775 standard , American Standard and DIN standard. Our products mainly sold to America, Canada, France, Russia, Germany , Southeast Asia and Africa, We enjoy good name in our customers with reliabled quality and good service.