If you want samples to test our quality,please go to ALIEXPRESS STORE buy it 5 slides pack from below link

5 pieces CASA Sperm Counting Chamber Slides Sample Available Purchase Online

Company: GUANG DONG ASCEN TECHNOLOGY LIMITED

E-mail:info@szyessmt.com

Contact Sales Mannager: Jason Chan

Tel: 18898665032

Address: A Building, Xin Hai Wang,Bi Feng Tang,Hong Wu Road,Xiashan District,Zhanjiang City,Guangdong Province,China

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.