Sotrafer-s.p.r.l. is a steel bar manufacturing company established in Lubumbashi, DR Congo. The company instigated its success journey in 2006 at a significant level by manufacturing deformed steel bars of various sizes. Deformed bars manufactured by Sotrafer widely used in the local province in concrete and masonry work to enhance the durability and strength of a particular structure. These bars are even more significant from the point of view of making strong earthquake-proof structure as it offers great environmental disruption capability. Other products produced by the company include oxygen and acetylene.