... ) / WH60A / NM360 / HARDOX 400(500) etcBucket brand:KOMATSU, KOBELCO, HITACHI, KATO, SUMITOMO, CAT, HYUNDAI, DAEWOO, CASE, DOOSAN, LIUGONG, LONGGONG, ... first-clase fancilities such as Spectrometer, Universal Tensile Tester, Impact Test and Hardness Tester and imported heat-treatment machine ... with different materials, with hardness from HRC33 to HRC52, Impact value from 16-20J . So that we can meet ...