ChangFa Electrical Appliance Component Factory was established in 1999, and located in Suzhou, which is the economical and cultural center of Yangtze River Delta. ChangFa is the first firm that professionally developed and produced KAN-8 and KAN-A power button switches in China. After 18 years' effort, the annual production scale is up to 25 million sets.Suzhou ChangFa Electrical Appliance Component Factory concentrates on professional and large-scale production of KAN-8 and KAN-A power button switches. The series of power button switches are widely used in household and professional vacuum cleaners, and can be used in other kinds of household appliance, power tools, outdoor tools and various electrical equipments as well. ChangFa is the long term supplier of LEXY, Philips, Euro-Pro, Electrolux, Haier, ASUS and other famous international brands. The products mainly export to Asia, North America, Europe and other regions. We strictly follow the standard on ISO9001:2008 International Quality System Certification. The products are certified by RoHS, and meet the environmental requirements in European market. In addition, the products obtain the certifications issued by UL/VDE/TUV/ETL/CQC, which are the domestic and international authorized organizations of quality certifications. Our factory is equipped with the UL Witness Testing Data Program to meet all the test demands. And we regularly test all the products to ensure that the quality meets UL requirements.