1. Since the product is sold globally, all foreign-related parts must be completed in order to better protect trademarks and technology.

2. Registering with the "Yangtze River" trademark is basically hopeless.

3. A service invention agreement should be signed with Zhang Ming to confirm that the technology is owned by the company.

4. German patents must be applied for in China. Otherwise, even if someone in China infringes the patent, the company will not have the right to sue him.