Economic factors often weigh heaviest. Package dyeing with its relatively small number of process stages, involves correspondingly low costs.

The designing and idea of developing top grade high counts and high density poplin fabrics are introduced, such as yarn selection, texture design, package dyeing, weaving and mercerizing process.

The main elements to influence dyeing quality of package dyed yarn are detailedly introduced from the aspects of cheese shaping, winding density, dyeing equipment, water quality and dyestuffs purity.