SITONSEAL is a professional integrated supppplier of different types of security seals. Since its foundation,it has been committed to the R&D and production of security seals. So far, SITONSEAL has possessed up to seven different series of more than hundreds different types of security seals, such as high security seals, cable seals, plastic seals, metal seals , padlock seals, meter seals, barrier seals, etc.