1. ISO 9001:2008 2. body is 42CrMo steel, button is solid carbide 3. button by HIP sintered 4. having 8 patents for carbide road planing toolsOur main products are tungsten carbide buttons for road.Our aim is to let more and more customers in the world choose and love our tungsten carbide products.Welcome to visit to Zhuzhou Jinding Cemented Carbide Co., Ltd. road planing tools