1. We have obtained five national and international patents.
2. The locks can be made of stainless steel, zinc die-casting to
meet different levels of the customers' demands.
3. Over 665,000 codes choose from.
4. Codes alterable, easy to install
5. No need to use key or power supply. But if you need, we can also
make some alternations, such as to add a key to the locks.
6. Compare with the current and common mechanical code locks, the
function of automatic reset, which enables the password to be
prevented from being peeked, is new and special.
7. Suitable for wooden door and steely door,
Which thickness is about 40-60 mm.