Shandong Huasheng Rubber & Plastic Co., Ltd.
Shandong Hengfeng Rubber & Plastic Co., Ltd.
Sichuan Tire & Rubber Group Co., Ltd.
Tianjin Wanda Tire Group Co., Ltd.
Chaoyang Langma Tire Co., Ltd.
Qingdao Double Star Tire Industry Co., Ltd.
Jiangsu General Technology Co., Ltd.
Jiayou Rubber Industry Co., Ltd.