This thesis highlights the principal risks of International Electric Wire and Cable Export Group Company of Guilin, as an electric wire and cable export corporation, accompany of the impact of financial crisis both on the world and China, proposes a series of precautionary and resolving measures, base on which to merits our reference for all the other companies.

The reinforcing principle of short-fibre and its application were described, including the features of Monsanto extruder die,the factors affecting the orientation of fibre,the properties of Santoweb,the compounding and processing technology of rubber hose reinforced with Santoweb, and the features of Nieden extruder with intense mixing screw.

The concept and procedure of the extruder die for the microwave continuousvulcanized rubber goods were systematically discussed and the die design particular forextrusion profiles was analysed.

The end pressure loss of LLDPE melt in short die extrusion and factors affecting the pressure loss were investigated by using a capillary rheometer.