Group 1 - Chengdu Qinchuan Internet of Things Technology Co., Ltd. applied for a patent titled "A Small Copper Sleeve Sealing Mechanism" with publication number CN120212236A, filed on April 2025 [1] - The patent describes a sealing mechanism that includes a mounting plate and multiple sealing components, which consist of a gas column, a top block, a pressure head, an elastic component, and an adjustment rod [1] - The design allows for multi-angle adjustment of the top block through the adjustment rod, ensuring the parallelism between the pressure head and the copper sleeve edge, thus guaranteeing the sealing effectiveness [1] Group 2 - Chengdu Qinchuan Internet of Things Technology Co., Ltd. was established in 2001 and is located in Chengdu, primarily engaged in research and experimental development [2] - The company has a registered capital of 168 million RMB and has made investments in 6 enterprises, participated in 295 bidding projects, and holds 1379 patents [2] - Additionally, the company has 59 trademark registrations and 65 administrative licenses [2]