Industrial instruments Toky is a very famous brand in industrial instrument in china and all over the world, since it was founded in 1988, we always did our best in designing new types of products and improving quality of all our products.We have hundreds of distributors in cities of china and countries all over the world, till now, our products contains more than 1000 kinds of industrial instruments, they are ce certified and widely used in industrial controlling.You can trust us completely. Our products are : Temperature controller Timer Timer relay Digital panel meter Counter Frequency/ tacho/ line-speed meter Voltage/current meter Power meter Adjustor and proximity sensors Digital ampere meter Digital voltage meter Digital frequency meter