Group 1 - Zhejiang Tianzheng Electric Co., Ltd. has obtained a patent for a "Column Circuit Breaker Position Status Detection Device," with the authorization announcement number CN223229712U and an application date of September 2024 [1] - The patent describes a device that includes a box body with installation space, an indicating component, detection terminals, a power supply, and detection circuits, ensuring reliable operation of circuit breakers by preventing loss of position signals during operation [1] - The device eliminates the need for users to disassemble installed circuit breakers for rework, thereby ensuring product quality and reliable circuit operation [1] Group 2 - Zhejiang Tianzheng Electric Co., Ltd. was established in 1999 and is located in Wenzhou, primarily engaged in the manufacturing of electrical machinery and equipment [2] - The company has a registered capital of 506.617875 million RMB and has invested in 7 enterprises, participated in 975 bidding projects, and holds 94 trademark records and 1854 patent records [2] - Additionally, the company possesses 74 administrative licenses [2]