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.