We have done extensive testing and research. Currently, we��ve got several series , high-temperature ceramic , semi-metallic series of special wear-resistant , low-noise series of semi-metallic fiber , carbon fiber series , Aeronautical Materials special ceramic series. We have a well-known high- quality products, competitive price and excellent service . Our values : put the customer first , to ensure high -quality products. Now our products are exported to over 100 countries and regions in the world . Advanced design , quality materials , skilled production technology and complete service and support , has won many of our customers and long-term cooperation . Tentec Holding Group need your continued attention and support. The more information about your requirements , feel free to contact us . We hope to receive your detailed inquiry soon , and are looking forward to in the near future with your cooperation.