San Ou Machinery Limited Company is one of the major companies who manufacture drill chucks and machine tool accessories in the world. Meanwhile it is also a hi-tech enterprise of national torch project and national intellectual property experimental unit enterprise. Brands are""""""and"", main products include lathe, CNC machine tool accessories, key type drill chucks, keyless drill chucks, self-lock drill chucks, self-tighten drill chucks and so on, there aer more than 200 varieties. Additionally, we can also develop and manufacture according to customers'requirements of special structures.

We attach great importance to our development and protection of intellectual property. By 1 January of 2010, we have possessed 365 patents related to drill chucks and lathe chucks (including 2 cermany patents and 4 us patents), and other 8 patent applications has already been verified by national lntelligent property bureau.

Lntroducing production model of TPS, depending on management information system of ERP, with process control tool of spc, with customer guide of tqm, seeking product quality of "no best, only better". Our company has passed ISO9001 intemational quality system certificate and ISO14001 international environment management system certificate.

We take establishing an innovative developing enterprise as our persevering target and creating market requirements as our final targets. Depending on the development history data, we examine the current situation to penrfact govemance structure, to develop business, to continue and penrfect services.