My company has purchased motor brakes from Daguang. The motor brakes of this brand are very expensive, but the quality is very good and they are very durable. My unit purchased it from Qingdao Tafuji Electrical and Mechanical Co., Ltd. At that time, I compared several companies. The domestic motor brakes are completely different from the motor brakes of DAEKWANG, South Korea, and cannot be replaced. So you can only find original ones. But if the price is too low, it is definitely not good. It is second-hand and refurbished and cannot be used. You get what you pay for, I hope my answer is helpful to you.