"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Portable Multi-Channel Temperature Tester 4-Channel Recorder, Audio Sweep Signal Generator 20hz ~ 20khz 20w , Linear Dc Power Supply 20v , Rek 500v 600v 1000v Ac/Dc Insulation Resistance Teste ,Component Tester . Our tenet is "Reasonable prices, economical production time and very best service" We hope to cooperate with much more shoppers for mutual enhancement and benefits. The product will supply to all over the world, such as Europe, America, Australia,Ottawa , Canberra ,Brunei , Macedonia .Many products fully conform to the most rigorous of international guidelines and with our first-rate delivery service you will have them delivered at any time and in any place. And because Kayo deals in the entire spectrum of protective equipment, our customers don't need to waste time shopping around.