1, first of all to confirm the tonnage of non-woven fabrics such as: 80 grams 90 grams 100 grams (note to prevent businesses in the fabric on the virtual grams)
2. Calculate the non-woven formula length*width*gram*tons
(40*30*80 grams*12300/1 tons)
3, printing calculations, non-woven bags is best not to use silk printing, not only low prices are not environmentally friendly, generally about 0.8-1.5 monochrome
Double color *2
4, work with ultrasonic heat, car lines, if you use ultrasound within a hair on it, the car line in the 3 hair
Such a non-woven bag can calculate the price
