On December 16, we got the good news that “A Surface Modification Treatment Method For Bi-metal Band Saw Blades” jointly developed and declared by Hengerda and Beijing National Innovation Institute of Lightweight Ltd., had passed the substantive examination of the China National Intellectual Property Administration and was granted a national invention patent, marking another significant milestone in the technological R&D of our company's bi-metal band saw blade products!

The present invention pertains to the field of surface engineering technology and provides a surface modification treatment method for bi-metal band saw blades, which is used to solve the problems of complex process and poor strengthening effect in the surface strengthening technology of band saw blade teeth in the existing technology, and further meet the high-end demand of bi-metal band saw blade products.

(Bi-metal band saw blade of Hengerda's LINGYING brand)