Registered trademark. According to the official website of Tianyancha, we learned that the Xianyang 505 logo refers to the registered trademark of Xianyang Health Products Factory in China, and the application numbers are 959289, 1070227, and 1163751 respectively. Among them, trademark No. 959289 has expired, trademark No. 1070227 has been registered but has not been renewed, and trademark No. 1163751 has also expired.