Shanghai Songjiang Shock Absorber Group Nantong Co., Ltd. will introduce to you: In 2018, the material testing report information of flange of new type rubber joint of QT450 will provide customers with better quality and more assured products. The material testing report of new type rubber joint flange of Songjiang Group will pass the third party testing, and the testing results are as follows.
![[Shanghai Putuo Zhenru sub center project] spring shock absorber contract](http://www.songjiangjituan.net/wp-content/themes/songjiang/timthumb.php?src=/wp-content/uploads/2022/01/20220126135900_65356.jpg&h=300&w=400&zc=1)
