Jiuzhou Zhongli Group was established in 2003, as a leader in heavy dump truck cylinder industry, itâ??s an integrated mechanical products deep processing enterprise with science, industry and trade. Our group comprises 4 subsidiaries- Shandong Zhongli Hydraulic Technology Co., Ltd, Shandong Zhongli Hydraulic Technology Co., Ltd First Branch, Shandong Yongliang Plating industrial park, Shandong Zhongke Hydraulic Technology Co., Ltd and one R&D organization, we have sales office in major cities.