ZTBH(SZ:000957) Jin Rong Jie·2025-08-15 06:55Group 1 - The core point of the article is that Zhongtong Bus Holding Co., Ltd. has applied for a patent related to a welding device and method that ensures the angle and position of the full-bearing chassis thrust rod, indicating innovation in automotive technology [1] Group 2 - Zhongtong Bus Holding Co., Ltd. was established in 1994 and is located in Liaocheng, primarily engaged in the automotive manufacturing industry [2] - The company has a registered capital of 5,929,039,360 RMB [2] - Zhongtong has invested in 19 enterprises and participated in 2,430 bidding projects, showcasing its active role in the industry [2] - The company holds 132 trademark registrations and 976 patent registrations, along with 124 administrative licenses, reflecting its strong intellectual property portfolio [2]