ZHEJIANG SAN OU MACHINERY LIMITED COMPANY

SAN OU MACHINERY LIMITED COMPANY is one of the major companies who manufacture drill chucks in the world. Meanwhile it is also a hi-tech enterprise of national torch project and national intellectual property experimental unit enterprise.

SAN OU and HARVEST are our famours brands . Our mainly products include lathe chuck,CNC machine tool accessories,key type chuck ,keyless drill chuck,self-lock drill chuck and self-tighten chuck and so on.There are more than 200 varieties .In addition,we can also develop and manufacture the special structure of products according to the customers' requirements.
We attach great imortance to the development and protection of intellectual property. We have possessed 212 patents related to drill chucks and lathe chucks(including 4 US patent0,and other 58 patent applications have already been verified by the National Intelligent Property Bureau .
Depending on the establishment of the ERP and the SPC management technical information based system,the quality of our products take the lead in the same industry in China and the company has passed ISO9001,ISO14001,OHSAS18000
We take establishing an innovative developing enterprised as our perserving target and creating market requirements as our final targets .Develoing on the development history data ,w e exmine the current situation to perfect governance structure ,to develop business,to continue and perfect services.