Hangzhou Wantong Tools Manufacture Co.,LTD , Founded in 1999 with 155 workers now ,is Located at the suburd of Xiaoshan District and only twenty Kilometers distance to Xiaoshan International Airport. We specialize in making Hole Saws such as Bi-metal Hole Saw , Carbon Steel Hole Saw ,Tungsten Carbide Gritted Hole Saw, Saw blades and so on .

Bi-metal Hole Saw is our mainly product with M3/M42 material. We have precise machines for making this products . For example we use Vacuum Furnace for heat treated and Numerical Control Milling Machine for making teeth and so on .

There are about 7 peoples for each step inspection while making and we also do Random Examination for Semi-manufactured Goods. We control our Run-out Tolerance less than 0.5mm for small size hole saw (14mm-40mm) and less 0.7mm for big size hole saw (41mm-210mm).

Any customers will be always welcomed to visit our factory any time and we promise to provide our prompt service and good porducts to you .