What are the manufacturers of non-magnetic turntable? Which company produces good products?

At present, the manufacturers of nonmagnetic rotary table with excellent brands are Nanjing Yunmagnetic, Chris and Meizhong, and Nanjing Yunmagnetic is of better quality. Their transfer beds pay more attention to the accuracy of processing, and all of them are made of high-quality non-magnetic materials, which are widely used in hospital medical treatment. They can not be affected by the strong magnetic field environment in the nuclear magnetic resonance room, which is more conducive to the work of doctors.