Shandong Zhengyang Machinery Co., Ltd. was founded in 2004, after many years of integrity management, currently has a group of companies Shandong Zhengyang Machinery Co. Based on the special automobile industry, the group company provides axles, suspension, brake drums, wheel hubs and other ancillary products and services, and can provide one-stop products and technical services for the chassis travel system of special vehicles.

With excellent product quality and service quality, the company has won a good reputation, and has been awarded the national high-tech enterprises, Shandong Province, Shandong Province, Shandong Province, Shandong Province, Shandong Province, the contract and trustworthy enterprises, small and medium-sized enterprises specializing in speciality and new and other honorary titles, with Jining City, engineering and technology research centers, enterprise technology centers, engineering laboratories, industrial design centers and other R & D platforms, and with the Shandong University of Science and Technology, And with Shandong University of Science and Technology, Wuhan University of Technology, Shandong Institute of Transportation and other five universities to establish cooperation between industry, academia and research, in the direction of product lightweight, safety and other key research and development, the launch of the "ZY lightweight axle active and passive safety system" and "special vehicle active control air spring suspension system". The company has launched "ZY Lightweight Axle Active-Passive Safety System" and "Special Vehicle Active Control Air Spring Suspension System" to provide customers with safer lightweight products and services, and has initiated the establishment of Shandong Special Vehicle Industry Intellectual Property Rights Protection Union together with 27 special vehicle and spare parts enterprises, which has played a great role in promoting scientific and technological innovation and intellectual property rights protection.