Shandong Changtai Industry & Trade Co., Ltd., was established in 2008. Our factory is located in Dongying which is the biggest tyre manufacturing center in China. It takes three hours to drive from Dongying to Qingdao.Changtai is a comprehensive rubber product processing enterprise integrating design, manufacture, sales and service. We mainly produce natural rubber inner tube, butyl inner tube, curing bag and tyre curing bladder.