This is legal. Having its own registered trademark for OEM business is now adopted by many industries. OEM has many advantages. Dealers can work out the most suitable marketing plan according to their actual situation. When there are problems or changes in the plan or market, we can adjust the plan as quickly as possible and formulate countermeasures. At the same time, the profit space can be mastered by itself, avoiding many troubles such as disagreement among manufacturers. In the complicated and changeable business war, they can calmly deal with it with the fastest response and the highest efficiency, while manufacturers can make full use of their own resources. Only in this way can we truly complement each other and achieve a win-win situation.