Our main products include: T Circle, O Circle, Gland Circle, engineering plastics products and so on, there are several series, more than 100 varieties productions. The products are widely used in each kind of machinery, the pipeline connection absorbing shock and sealing domain. Since the origination, we have won the consistent praise from lots of customers in R&P field through the advanced producing and checking facilities, the strict and scientific processing-control management, the outstanding products' quality, the perfect sale-net and the post-sale service system; that's why we have taken the lead in gaining ISO9001-2000 quality system authentication among the R&P field. Furthermore, our products quality have achieved the international advanced level. Our customers come from more than ten provinces, cities and the autonomous regions in Chinese Mainland, as well as our products export to the distant markets of many countries and the areas in the world, for example, the USA, Germany, Singapore, Taiwan China and so on. Many big enterprises(groups) such as, Komatsu Shantui Construction Machinery Co., Ltd., Shandong Shantui Construction Machinery Co., Ltd., Atlas Construction Machinery Co., Ltd., Jinan Meide Casting Co., Ltd. etc are all our major long-term partners.