Shenzhen Dongda Electromechanical Co., Ltd; We are the authorized agent of Japan NMB in China, specializing in micro ball bearings with an outer diameter of 22 millimeters or less. Widely used in various brushless motors, power tools, vacuum cleaners, model aircraft, medical equipment, automotive motors, precision instruments, pumps, and reduction motors.   Brand  Dongda Electromechanical "is a dynamic and energetic team, and our core values are" integrity, innovation, cooperation, and progress ";! We advocate "Happy Work! Integrity in Being a Person! Actively Doing Things!"; The company's philosophy. We have a team with professional knowledge that will provide you with high-quality and comprehensive services before, during, and after sales, striving for worry free operation of mechanical equipment.