Material:low alloy steel Technique:Forging casting Surface Hardness:46-52 HRC Impact Value:16-22J Warmly welcome to view on us! ---Xiamen Luckyroc Industry Co., Ltd About Xiamen Luckyroc Industry Co., Ltd:Xiamen Luckyroc Industry Co., Ltd., established in 1998, is a professional company engaged in Construction & Mining machinery undercarriage parts, GET parts and other related parts. After more ...