Choose food vacuum bag producers to see what factors?

In the purchase of goods, will mention 'goods than the three selected method'. When buying goods, we don't hurry to order requirement compare with the manufacturers, has a comparative advantage in the local price and quality. When buying food vacuum packaging, the purchaser will produce this kind of psychology. How to choose the food vacuum bag manufacturer? It is to see what kind of food vacuum bag manufacturers size is big, price forecast, good quality, fast delivery time, service attitude is good enough. For example, we chose a high price, good quality food vacuum packaging manufacturer's product, but in the process of production, have a few problems, then we will want to, then choose a slightly higher price of food vacuum bag manufacturers, the price will be a little higher, won't have this kind of trouble. 'Quality' and 'how to price', is now facing difficulties, and that is why there will be more buyers continue to transition to be a partner of food vacuum bag. In fact, when they encounter problems, food vacuum packaging manufacturers can timely solve the problem, any thing will have some problems, for the first time have some problems, how do we solve problems rather than avoid problems.