Management Software: Powerful key management software can save keys and users information, and can also operate the system, in case when the device is not conducive to use on-site, you can also choose to remotely taking and returning keys.
Hydrated alumina is a kind of ideal fire retardant filler for electric wire and cables. It is non-hygroscopic with customizable grain size and non-toxic with stable whiteness at curing.Aluminum hydroxide is working well with materials just like polyester,