NAIKO is an independent anti-loosening brand. It is an excellent fastener loosening prevention solution with high efficiency and low cost developed by Cunjin Group in response to market demand and in cooperation with Nanchang University. The resin material is coated on the surface of the thread through a special physical process, which does not produce any damage to the electroplating layer on the surface of the thread, on the contrary, it also has a certain protective effect on the electroplating layer.