We, Guiyang Joint-Win have two companies: Guiyang Joint-WinOptical Instruments Co., Ltd and Guiyang Joint-Win Import and Export Co., Ltd, as a leading manufacturer and exporter of precise measuring machine in China, we have been devoting ourselves to researching, developing, producing, selling of vision measuring machine, profile projector, microscope, universal length measuring machine, linear scales and digital readout for a long time. Besides, in order to meet with customer's different measuring demands, we also are acting in the field of hardness tester, universal testing machine, thickness gauge, cutter, polisher/grinder, digital caliper etc.

Our factory is located in DongGuan China, we have more than 40 employees, in which include 15 technicians and 3 senior engineers who come from Guizhou Bureau of National Aerospace Industry Ministry and are engaged in optical, mechanical and electronic technology. As a qualified enterprise, we had obtained quality certificate ISO9001: 2000 since 2005 and our own patent of machine design and development. Our products are so popular with customers so that we have been exporting our machines to almost all of the world markets.

Anyway, we advocate ourselves to the concepts: "Focus Demand; Lock Quality; Devote Development, Achieve Win-Win", we sincerely hope we can go with our customers hand by hand towards a prosperous future.