Easily identify fake bird's nest with 5 ways
Birds nest is a precious gift that nature offers to people because of the nutrient content is very good for health. Due to the high value of this product, there are many false and bad quality birds nest that cause economic loss as well as health of customers. In order to find the best product for yourself and your family, it is very important to recognize the nest. So, this article will talk about how to recognize the real swallow nest for you to apply. 1. Thickness, length of false yarns are almost equal. Birds nest from their saliva, the spit is pulled into the yarn and the nest. Bird nest is made for several days, at different times so the uniformity of the yarn is also different, will have long fibers, short fibers, thick fibers, thin fibers. Therefore, the nest after the real open soak, you will easily notice the length and thickness of the yarn are not the same. Fake birds nest, because of the tools used to make birds nest, they are usually in terms of thickness and length...