This is very simple. China adopts the principle of "first registration", and whoever applies first will be given it. If the application is made on the same day, both parties shall provide proof of use. If both parties provide evidence of use, they will draw lots to decide. It is best not to go to the lottery. At the speed of China, the trademark will be updated soon. From 5 years to 10 years. It is normal. However, this situation is rare. Remember to give it to whoever applies first. In days.