In 1987 first measured the diameter meter three sets up the development in our company predecessor to be born, depends upon for more than 10 years diligently and high level development ability, our product has widely used in professions and so on electric wire electric cable, glass tube, metallic pipe, plastic tube, rubber roll, medical instrument, nuclear material, machine manufacture, may provide not opaque, translucent, passes the air wire material and the tubing observation and control for you, and has many kinds of specifications, the performance stable reliable, is you improves the product quality the ideal choice.