Kako opraviti pregled vreče iz ponjave?
Ko izvajamo pregled vrečk, ugotavljamo, da je v zadnjem letu ponjava postala priljubljen material za torbe, še posebej za termalne vrečke za hrano ali nahrbtnike. Ker je enostaven za brisanje, čist in vodotesen, skupaj z nizkimi stroški, tarpaulin will be more widely used in the bag industry. Therefore knowing how tarpaulin is produced is the first step of bag inspection which is made of it. The way for bag inspection making tarpaulin: 1.Three main kinds of raw materials...