The paper discussed the high shrinkage PET fiber in the respect of its heat shrinkage, heat setting and dying, which are considered to be advan-tageous for textile processing.

Discussion on issues of smoke extraction of polyester filament spinning workshops;

Development of polyester filament core yarn sewing thread;

Production and technical characters of direct spinning line of polyester filament in large capacities;

Process characters of PET filament twisted by high temperature heater box;

Selection of spinneret for PET filament production;

TCS process for colored profiled PET filament;