Group 1 - The State Intellectual Property Office of China has granted a patent to Qingdao Yuntian Lifa Technology Co., Ltd. and Shenzhen Yuntian Lifa Technology Co., Ltd. for a method and device for monitoring objects on water surfaces, with the patent announcement number CN115841619B and application date of December 2022 [1] - Qingdao Yuntian Lifa Technology Co., Ltd. was established in 2017, located in Qingdao, primarily engaged in technology promotion and application services, with a registered capital of 5 million RMB. The company has participated in 54 bidding projects and holds 102 patents, along with 8 administrative licenses [1] - Shenzhen Yuntian Lifa Technology Co., Ltd. was founded in 2014, located in Shenzhen, mainly involved in software and information technology services, with a registered capital of 358.82666 million RMB. The company has invested in 33 enterprises, participated in 276 bidding projects, holds 415 trademark registrations, 1872 patents, and has 34 administrative licenses [1]