Polymer blends have drawn great attention in scientific research and industrial production. Polypropylene (PP) is a low-cost polymer with versatile applications but with limited impact strength. In recent years, polymeric composites were widely used in the production of new engineering materials. It is perceived as a reflection of technological development. Meanwhile the polymeric composites are promising, due to their economic versatile applicability and good mechanical properties[1-4,15]. Due to the increasing demand for polymers, these materials bring new problems. A frequent goal of polymeric material research is the improvement of physical properties [5,7]. An approach that is widely used the combination of two polymers in the hope of obtaining favorable properties in the blend [6,8]. Structures and properties of products made of immiscible polymer blends reinforced plastics are more strongly affected by processing than those of simples, single phase polymers. Flow in the machinery and in the mold affects the shape, size, as well as the orientation of the dispersed phase in the matrix. This leads to a flow induced anisotropy in mechanical and other physical properties [9-12] . One of the most popular commercial technique for manufacturing polymers is injection moulding. Many processing variables play an important role during forming technique, determining the product morphology and properties [13-14]. In this study shear controlled orientation technique in injection moulding has been used to improve the mechanical properties of PP/PC composites.