1.What's the material of your lamp?
Acrylic+PC.
2.How about the warranty and how can we get the warranty?
12 months warranty.
We will repair or replace, at no charge, products or parts of a product that proves defective because of improper material or workmanship, under normal use and maintenance.
3.How can I get the sample for testing and how long can I get it?
Sample and the shipping cost need be paid by your side. Sample will be sent to you within 5 days.