Wholesale colorful crystal key calculator with reasonable price. It can be used as promotion gift for fashion companies . All the colors for the keys and plastic case can be customized .
If you has own design to make, we can develop the new mould , as well as develop a new IC for the functions to fully meet he requirements . All the details on the calculator can be customized .
For further communication on the details , please e-mail us : email@example.com