We, Chongqing 257 Precision Tools, have been focusing on the research, development, and production of Bi-metal band saw blades for decades. With 21 years of experience, we have obtained the CE Certification and passed the ISO9001 quality management system certification. We have modern plants, advanced production and inspection equipment, and a team with dedication and passion. For the blades, we provide a full range of 13mm to 80mm with M42 and M51 material. Our team will provide customized cutting solutions to every buyer and make sure they receive the best service throughout the process of ordering, production, delivery, and after-sales service.