Hangzhou Xiaoshan Changyu Metal Machinery Co., Ltd., established in 1982, professionally manufactures various kinds of hardware tools with more than 20 years' experience. Our product line mainly covers carbide coated hole saws, bi-metal hole saws, carbon steel hole saws, diamond hole saws, bi-metal high speed steel reciprocating saw blades, and carbide coated curved saws. Up to now, our products have been exported to more than 15 countries and regions, such as Eastern Europe, Western Europe and the Middle East. We have enjoyed an excellent reputation among our customers due to our high quality, competitive prices, professional service and prompt delivery. In order to provide sound products and better services, we have set up a QC department. At the same time,we can produce special products which as customers require. "Developing with sincerity, succeeding with quality" is our company's tenet. We have made many more efforts to offer every customer not only the best-quality products, but also seamless service and competitive prices.