Manufacture: sodium sulphate; polymer films; polypropylene films; polyethylene terephthalate; synthetic polyester fibres; polyester fibres; nonwoven fibres; polyester braid; nonwoven polyester fabrics; decorative polyester fabrics; knitted polyester fabrics and goods; textile artificial viscose threads; viscose threads; synthetic threads; textile synthetic polyester threads; polyester threads; nonwoven materials; filtering fibrous materials for air cleaning; fibrous polypropylene materials; polypropylene fabrics; artificial sausage casing; household polyester cords; dimethyl terephthalate; pavement marking resin; thermosoftening elastic plastics (thermoelastoplasts); alkyd lacquers; drying agents; cooling fluids; rubber plasticizer; consumer goods; plastic articles; nonwoven fabric.