Alegant double-sided engraving painting craft is a revolutionary art glass technology created by Alegant Co., Ltd. This special craft is based on exquisite concave-convex-engraving craft which processes the sculpture on the front and back of crystallized glass plate. Because of the combination of the transparency of glass and the symmetry expression of concave convex engraving and the performance of gorgeous colors, this Alegant double-sided engraving painting plate can be considered as a work of art craft.