Shandong Hengyu Technology Group, specialized in production??????&D??????rade??????eal estate development etc ,has six subsidiaries: Shandong Hengyu Rubber Co., Ltd., Shandong Hengyu Science &Technology Co. Ltd., Dongying Henroy Li-ion Co., Ltd., Shandong Hengyu Auto Parts Co., Ltd. ,Qingdao Yalian Rubber Co., Ltd., Shandong Hengyu Yijia Real Estate Company. The annual output is 3,600,000 sets of TBR, 100,000sets of OTR tires, 1,200,000 sets of bias tires, 20,000,000 pcs of semi-steel radial tires. We have ...