1.  Protect environment or not
2.  Water-based , oil-based
3.  Printed surface, glass surface
4.  The station of acid and alkali resistance
5.  Original , thinness, firing temperature screen printing mesh of glass
6.  It's better that customer can choose from 2-3 colors we mix according to entity.
7.  Environment of comparison : don’t place under the sunlight directly indoor, sample is tilted 45 Degree, exchange position to compare