Company InformationSHANDONG DONGDU ADVANCED MATERIAL TECHNOLOGY CO.,LTD is a professional manufacturer in the researching, manufacturing and selling types of Oil Seal, Rubber Hose, Expansion Tank, Auto Plastic Parts and Rubber Parts. As an ISO9001, ISO/TS 16949 certified company, we have already established a long term supply relationship with a number of famous auto manufacturers including SINOTRUK and WEICHAI. Since its inception, SHANDONG DONGDU has always paid great attention to maintaining a high level of quality control and process management, thus to guarantee all of our products are of high quality at the affordable price. Our technical team checks and tests each piece of product prior to shipping, assuring complete customer satisfaction.We are located in Rizhao city, a beautiful coastal city, which is only 40 minutes by high-speed train from Qingdao Port. This convenient transportation allows us to provide fast delivery of products with competitive price. We will provide you with the best products and services at the best price.We will keep on making great efforts to improve our products quality and service to become the Top Supplier in the field of Auto Parts. SHANDONG DONGDU is looking forward to a long and successful partnership with you.