Founded in 2004, after years of honest operation, currently Shandong Zhengyang Group Industrial Co., Ltd. has Shandong Zhengyang Machinery Co., Ltd., Shandong Zhengyang Science and Technology Co., Ltd. Shandong Zhengyang Import & Export Co., Ltd. and Liangshan Zhengyang Hotel Management Co., Ltd. these four holding subsidiaries. Based on the field of special-purpose vehicle industry, the group provides customers with supporting products and services such as axle, suspension, brake drum and wheel hub as well as one-stop products and technical services for e chassis running systems of special-purpose vehicles.Zhengyang Group adheres to innovation and scientific development. Zhengyang Technology was approved by the Ministry of Environmental Protection in 2021 as an A-level green benchmark leading enterprise in the casting industry and a national high-tech enterprise. The machinery company was identified as a national-level specialized, special and new key small giant enterprise and a gazelle enterprise in Shandong Province. Zhengyang Axle was rated as a famous brand in Shandong Province. The group company invested nearly 10 million yuan to purchase advanced testing equipment at home and abroad, such as German Spectrometer, Hexagon three-coordinate, metallographic analyzer, Brinell hardness tester, tensile testing machine, etc. The company strictly controls every process from raw material procurement to storage, processing, and finished product delivery, and adheres to multi-batch cyclic sampling testing and laboratory analysis, so that the product qualification rate has reached 99.9%.