Qingdao QJ Industrial Inc was established in January 2005, which is located in the beautiful coastal city Qingdao. We are engaged in the rubber products industry, main business includes truck and bus tire research and development, international sales, after-sales service, and entrusted production enterprises to manufacture, as well as warehousing and logistics. After more than 20 years’ development, our company's independently developed truck and bus tire brand "DOUBLE ROAD" has a good reputation in the industry and is favored by end consumers. Its sales network covers more than 70 countries and regions around the world.