Ningbo XiYu Electronic Development CO., LTD was founded in 1994. Headquartered in Qiaotou Industrial Development Zone of Cixi (Ningbo, Zhejiang Province), it enjoys great geographical benefits as neighboring Ningbo in the east, Hangzhou in the west and Shanghai in the north across the Grand Hangzhou Bay Bridge. � As an electronic safety device manufacturer with over a decade�s history, specialized in research, manufacture and sales of AFCI, AFCI/GFCI and HDMI cable, Xi Yu is now the only company in China that owns proprietary intellectual property rights on AFCI, AFCI/GFCI products with many invention and utility patents and the products are leading the way on world market. � We have passed the ISO 9001 quality certification and our products have obtained certificates as follow: CCC, CQC, RoHS, CE and UL (UL: E252489). � For a further development, a wholly-owned subsidiary is set up in ABP as our global research and marketing centre. We believe in honesty and excellence, and we provide �best product, best price and best service� to clients all over the world.