1、How many colors are there：There are more than 200 colors at present, and we accept color customization. The colors are constantly increasing.
2、What are the packaging specifications：Currently there are 10ml, 15ml, 30ml, 60ml and other specifications, and the specifications can be customized
3、Whether to support customization of color：Yes
4、How long does it take for UV light to cure：Generally 60S-120S can be cured