If you want samples to test our quality,please go to ALIEXPRESS STORE buy it 5 slides pack from below link
Company: GUANG DONG ASCEN TECHNOLOGY LIMITED
Contact Sales Mannager: Jason Chan
Sample Required please contact us to offer Paypal account for sample fee transfer.Please noted Paypal transfer require extra fee and withdraw fee，so customers have to plus these fees to sample cost transfer to our Paypal Account.
Contact: Alex Chan
Add: E Building, Zi Jing Garden,Bi Feng Tang,Hong Wu Road,Xiashan District,Zhanjiang City,Guangdong Province,China