Hello, after checking that the Ao Tie Bao and Yu Gao Tie trademarks have not been successfully registered, you can apply for registration. Information about the Ao Tie Bao trademark was found on the official website of Bajie Intellectual Property. The query result is: Yongning Chemical Experimental Factory of the Guangxi Zhuang Autonomous Region Science and Technology Consulting Center applied for a trademark named "Ao Tie Bao" on 1995-11-07. The trademark passed the review of the Trademark Office on March 21, 1997 and the registration certificate was issued on March 21, 1997. The latest status is that the trademark is invalid; the use period is 10 years and expires on June 20, 2007. For trademark registration, please look for Bajie Intellectual Property. I hope you will adopt it. Thank you!