SEM.Test involved in the field of radio frequency, communications, computers, household appliances and audio-visual products, testing services, including: CE (European Union), ETSI & R & TTE (EU), FCC (U.S.), GS (Germany), UL (United States) , FDA (United States), IC (Canada), CCC (China), A-tick & C-tick (Australia and New Zealand), VCCI (Japan), and so on; SEM.Test and the United States also UL, Canadian CSA, Germany TUV, and other authorities Co-operation arrangements for product safety testing facilities.