Group 1 - Hebei Shichang Automotive Parts Co., Ltd. was established in November 2006 and is located in Langfang, Hebei Province, focusing on the research, production, and sales of automotive fuel systems [3] - The company's main products include high-pressure and normal-pressure plastic fuel tank assemblies, which are sold primarily to vehicle manufacturers [3] - Key product features include lightweight design, low emissions, anti-static properties, low noise, and high safety, with major clients including Geely, Chery, BYD, SAIC, FAW, and Changan [3] Group 2 - The company officially entered the capital market on September 19, marking a new chapter in its development [2] - In 2023, the company became one of the first domestic enterprises capable of mass-producing high-pressure plastic fuel tanks, establishing a first-mover advantage in this field [7] - The company aims to increase technological investment to meet the rapid iteration demands of fuel systems for new energy vehicles, reinforcing its market advantages and technological barriers in high-pressure tanks and lightweight composite materials [7]