we take the chance to introduce ourselves as the sole subsidiary in China of Chang Xing Enterprises (USA) Inc., which specialized in investigation and development of Bi-metal material and Bi-metal band saw, hand hacksaw, reciprocating saw etc. for many years. The company possesses advanced technology of cutting material and heat treatment, and adopts the ISO9000 as the quality-administrating standard to offer our clients quality products. The Bi-metal material here we called is a special kind of material which has been combined by two kinds of steel as Backing and Teeth by Electronic-Beam welding. TECH-MOL Bi-metal material select  the most advanced backing and teeth material in the world and is produced on the automatic digital assembly line under the  strict inspection of the quality security system both ensure the stability and precision of the product?s quality. And also because of the advanced material and technology,TECH-MOL Bi-metal band saw possesses the virtue of easy cutting,stable quality and could be used widely. Our products will easily cut all kinds of steel and alloy steel in all kinds of shapes of section and match all kinds of band saw machine. We may offer plenty kinds of bi-metal saws to meet different requirements of clients.