Longer, a leading manufacturer of cutting-edge laser engraving solutions, proudly introduces the Laser B1 40W, a highly advanced laser engraver equipped with one of the most powerful diode lasers on the market. delivering unparalleled power, acc

Dr. He, the CTO and co-founder of Longer Inc, is an expert in Laser Engravering and 3D Printing industry. Dr. He received his Ph.D. in mechanical engineering from MIT. He holds over 40 patents and has extensive experience in mechanical engineering, m