Hangzhou Changyu Metal Machinery Co.LTD.located at the central section of Yangtze Delta,in where the economic is flouring and full of vigour.Nearing QianTang River in North,there are 18kms away from Hangzhou Xiaoshan International Airport.
The company was established since 1982.Now there are 5000 square metres of covering area.Since 20 years,we always insist developing with sincerity,succeeding with quality as our idea,and high quality,reasonable price ,cordially service as our developing goal.We are specialized in manufacturing tens of products such as carbide coated hole saws,65MN hole saws,Bi-metal hole saw, Carbon steel hole saw,Diamond hole saw,Bi-metal files,Bi-metal flying saws,Bi-metal Rod saws,carbide coated files so on.