Nylon 6 and 66 are widely used for manufacturing of engineering plastic parts due to its very good mechanical properties. Polyamides have high tensile strength and modulus and also good wear resistance. Nirumand Polymer Eng. Co. compounds PA6 and PA66 with glass fiber, minerals and flame retardant in a wide range of percentages to improve its performance. Reinforced PA with glass fiber is applicable in home appliance, electrical and high engineering performance parts.