Smell - plastic products are odor is mainly due to the use of recycled materials and low-grade additives. There are products that emit odor pungent odor would endanger human respiratory system, it is best not to choose. Hands try - some products in order to attract the attention of consumers in-laws cake bag, the color is very bright. Poor quality products in the course of the dark pigment will Hsi out, these pigments are generally industrial pigments. Consumers can check yourself, the choice of dark color of the product is qualified: the cotton ball down a little vinegar, then wipe food contact surface 100 times back and forth, if the color of the stained cotton balls, indicating that the product failed. To avoid pigment into the food, it is recommended not to bloom oily liquid food (excluding melamine tableware) with a dark color plastic products. If it were used as raw materials such Hamburger bags, disinfection alone might cost many manufacturers are unaffordable. Secondly, is the finishing process, not just the food, clean paper bags processed into food containers can be installed even if done hamburger supply bag, it had to take into account many elements. For example Hamburg bags, in case the food which contains moisture how to do? Water will flow out? In case of food inside sauce how to do? Paper surface will not become too smooth, not easy to carry? If the food is hot how to do? Bags will not be very easy to dissolve, and so on. Hamburg bags, revitalizing color, in-laws cake bags provided by the revitalization of the color. Xiong revitalization Color Printing Factory (xiongxianzhenxing.cn.alibaba.com/) in the package bag, cooking bags, aluminum foil bags, burger bags, aluminum bags, paper bags and other industries have high visibility, integrity management, quality of service both welcome inquire, or consult our "Business League Customer" it!