Gangyuan Electronics Co. Ltd1.Gangyuan Electronics was founded in 1994,decades tact switch manufacturing experience. 2. Strong R&D group for related switches, sockets,transformers, relays series.3.HeadquarteredinZhejiang Province, China.with 3 plants over area of 5000 square meters and 100k grade clean process line. 4. The soonest respond to clients question. Sales offices with our top sales located in HK,Taiwan, Brasil, South Korea, Singapore.5. Strict product inspection system and quality approval, such as ISO9001, 14001,OHSA18001,TS16949.UL, VDE,CQC. etc.