1, different registered companies. Ma Yin trademark is registered by Langfang Ma Yin Pigment Co., Ltd., and Ma Yin Star is registered by Jiangsu Juzhiying Electromechanical Tools Co., Ltd.
2. The classification is different. Ma Yin's international classification is 02- pigment paint, and Ma Yin Star's international classification is 8 kinds of hand tools.