Hi Spec Manufacturing (UK) Ltd, HSM
HSM Produces some of the finest Mining and Quarrying attachments for some of the harshest environments on the planet. Combined with custom made wear package options. The attachments produced far out last their rivals, using the finest Swedish Steel Hardox 450 & 500 for impact resistance and chromium carbide for abrasion. The only components you need replace are the wear parts
source:http://www.hispec.biz/mining-quarrying.html