Company Overview - Lianjian (Jiangsu) Technology Co., Ltd. was established in 2003 and is located in Changzhou, primarily engaged in research and experimental development with a registered capital of 185.15934 million RMB [2] - Jiangsu Dongwei Sensing Technology Co., Ltd. was founded in 2020, also located in Changzhou, focusing on wholesale activities with a registered capital of 10 million RMB [2] Patent Application - Lianjian (Jiangsu) Technology Co., Ltd. and Jiangsu Dongwei Sensing Technology Co., Ltd. applied for a patent titled "A Welding Tool for Fine Metal Wires," published under CN120515917A, with an application date of June 2025 [1] - The patent describes a welding tool that includes a base plate with front and rear positioning components, designed for welding fine diameter metal wires with high processing precision and stable quality [1] Investment and Business Activities - Lianjian (Jiangsu) Technology Co., Ltd. has invested in 41 companies and participated in 3,333 bidding projects, holding 666 patent records and 11 trademark records, along with 72 administrative licenses [2] - Jiangsu Dongwei Sensing Technology Co., Ltd. has participated in 1 bidding project, holds 18 patent records, 4 trademark records, and has 6 administrative licenses [2]