JINAN SCIENTIFIC TEST TECHNOLOGY CO., LTD.

Jinan Scientific Test Technology Co., Ltd offer various kinds of testing machine, hardness tester, etc testing equipment, and welcome to contact us at any time. 

Mr. Jack
Skype: jnsttsales@163.com
Tel：+86-531-87930890
Email: sales@jnstt.com
            info@jnstt.com
            jnsttsales@163.com
            jnsttsales@gmail.com
WEBSITE: www.jnstt.com