Nanjing Kumho tire, Hankook Tire Co,. Ltd in China, Hangzhou Zhongce Rubber Co., Ltd. , Anhui Guartone Tire Group, Federal Tyre Corporation of Jiangxi , ShangHai Tyre & Rubber Co., Ltd. ,　Doublestar Group Corporation, WeiHai Triangle Group Co., Ltd, Qingdao Rubber Group , Huaqing Tyre Group, Guotai Tyre Group of　Rongcheng, Jiangsu Tyre Co., Ltd., Henan Tyre Co.,Ltd. , Guizhou Tyre Co., Ltd , Capital Tyre Group of　Peking, Shanxi Double Happiness Tyre Industries　Corp. Ltd, etc. big enterprise and medium-sized company of the Rubber industry and Tyre industry.