Ningbo Deko Magnetic Electronics Co.,Ltd works on magnet production for 16 years, we know about the use and protection of NdFeB magnets including Ring NdFeB Magnet, Magnet Assembly and so on, this can help you design the size of your products, select the right performance brand and accurate coating, control the material cost and processing cost, meet the design requirements of customers at a reasonable price. We can give you advices with below items:Performance:1. According to the customer's design requirements for magnets, such as Gauss value, magnetic flux, etc., select appropriate remanence, magnetic energy product, and determine the performance brand,