KIFKIF (Krings International France) specializes in securing sites trenches and offers a full range of screens suitable for all types of jobs.
Shaangxi World Iron & Steel Co. is a steel and iron production company that offers round steel, pipes and casing tubes.
Sino Drills Co. is an international specialized in manufacturing, supplying and services of rock drilling tools such as bits and drilling hammers.
Tecop Sa is the manufactures of drill rigs and tools for civil engineering, geothechnic and water welling.