We located in Hangzhou and specialized in manufacturing micro switches and valves.Our factory, Zhejiang QIAOH industrial Co., LTD. Established since 1987, has been committed to the research and production of electronic components, especially in micro switch products field, QIAOH production technology and product quality, in the industry has always enjoyed high reputation. In May 2004, formally joint venture with Japan OMRON LTD , established the Zhejiang OMRON QIAOH Control Compenents Co., ...