Jiangyin Hengyi Engineering Machinery Co., Ltd produces all kinds of hydraulic breaker hammer and accesssory products, like chisels, bushes, pistons, heads. Our company has a full line of production equipment and standard testing eauipment. To make sure of the high quality and high strengh of chisels, we use the raw material of 42CrMo, which is from Jiangyin Xingcheng Special Steel Works Co., ltd and adopt special heat treatment technology(segmented heat treatment). Our products match the international standards.