Kingsine’s products are approved by over 70 countries worldwide in many industries of electrical power, metallurgy, petrochemical, railway mining and relative scientific research institution as well as same trade of meter and protective relays factories, and getting the warm welcome from the world large Electricity & Energy Exhibition such as IEE PES T＆D Conference of USA,POWER-GEN International of USA, Middle East Electricity of Dubai, HANNOVER MESSE of Germany and FIEE Electrical of Brazil. Its Relay-Tester is suitable working for many world famous relay protection devices such as Abb, Siemens, Alstom, Toshiba, Schneider, Areva, Sel, Ge etc and Kingsine also give the full service with his distribution net from many countries partners of European, Asia and Middle East.