Changzhou Aitefasi Tools CO.,Ltd is a high-tech Chinese company specialized in research,produce and sales of carbide cutting tools.We have 30 years of experience in design and development.We focus on the high-end cutting tool market and our products enjoy good reputation.We have many high quality and high performance equipments which are from Germany,USA and Switze. We provide complete tool solution for aerospace,automotive & engines,energy and railway industry.The main products are carbide end mills ,drill bits,reamer and other special form cutting tools.