Highly's group is family company. We are an industry - leading manufacturer and exporter in many kind of Switches since 1974, we are the top - grade supplier in this field in Taiwan. The trade mark of "Highly" throughout the world represents our objective of the highest technology, most creativity, and best service. We are certified ISO 9002 quality control system in our factories, certificate no. Is QSC - 5732. Besides, some product have been approved by UL, CSA,TUV...etc.