Our tooth, adapter, bucket tooth, side digger and sidecutter all use alloy steel. There areCAT series, Komatsu series, H&L series, Kobelco series and JCB series. Each product all manufacture through investment casting. The property can reach the international standard and the hardnesss can be BRC48-52 after entirely normalizing, hardening and tempering. The impact can reach over 17J, thus it can improve the usability and wear resistance.