Když budeme nosit masky, pokudušní smyčka are too long or too short, we need to improve the ušní smyčka. If you wear it by yourself, the earhook is too long and stick to the long part with tape; or tie a knot on the ušní smyčka; pay attention to the size when buying, and choose the right size. What if ušní smyčka are purchased in large quantities? How to judge the quality of ušní smyčka in large quantities?
Sampling and testing: After purchasing in large quantities, the first thing to do is to test the ušní smyčka, elasticity, material, report testing, etc., don't wait for the problem when you get on the machine;
Ujistěte se, že vám výrobce zasílá vzorky a dostává zboží podle kvality vzorků;
Podepsat smlouvu s výrobcem o řešení následných problémů s nestandardní kvalitou;
Be sure to choose ušní smyčka with good elasticity.Because of the epidemic situation, masks are worn for a long time, and the elasticity of ušní smyčka is very important.The ušní smyčka choose materials with a ratio of spandex and nylon.After continuous research and development and testing, the ratio has reached the highest suitable elasticity.