1. It is best to change it, otherwise others can revoke your trademark.

2. There is no Trademark Office in Shenzhen, but there is one in China, the Trademark Office of the State Administration for Industry and Commerce in Beijing. It can be done, but you can only go to Beijing. It is best to find an agent.

3. The official fee for trademark transfer between companies is 1,000, and the official fee for trademark change is 500. It only costs 700 to 800 to find an agent.

4 Trademark application and trademark change are independent and can be changed.

5 Shenzhen Btipsc is good, www.btipsc.com