Now more and more sophisticated consumer, not only for disposable slippers and hotel slippers of high quality requirements, and aesthetic requirements are also required. Such as a pair of slippers and how many needle eye, the distance between the needle eye are required. Here I said to you. General domestic requirements are not much, we will not mention. Foreign customers require more. General foreign trade slippers requirements are 1CM = 2.5 needle, some 3 needle. This looks better, but for manufacturers and continue to goods customers, a bit inconvenient. Is this slippers do slow, the general domestic slippers 1CM = 1.3 needle, the production speed, shipping fast. Foreign trade of the 2.5 pinhole and 3 pin eye, more than more than half of the domestic more than half. A domestic workers a day 1200 double, then the foreign trade of the 2.5 needle and three needle eye can only be 900 pairs a day or so. The