COSBEN Co. offers attachments for earth moving and telescopic machines, fitting out all the names on the market, such as Komatsu, Manitou, John Deere, Fiat Hitachi, Liebherr, Orenstein & Koppel, and others.
Tecop Sa is the manufactures of drill rigs and tools for civil engineering, geothechnic and water welling.
Sino Drills Co. is an international specialized in manufacturing, supplying and services of rock drilling tools such as bits and drilling hammers.