The first step: feeding: material grade separated according to customer requirements.
The second step: double needle: various sizes of raw materials mixing, needles together, stain, stain more evenly.
The third step: acid: acid (hydrochloric or sulfuric acid), dirt, keep the hair smooth.Decontamination of hydrochloric acid, sulfuric acid to scales.
Fourth step: j.Hirshleifer: Bubble hair straightening, and then made into a very neathand.
Fifth step:: separate by weight into semi-finished products. Go now to get the rootof the root.
The sixth step: triple or processing: departure screens, or glue.
Seventh step: treatment.
Eighth step: packing.