Email format error
Email cannot be empty
Email already exists
6-20 characters(letters plus numbers only)
The password is inconsistent
Email format error
Email cannot be empty
Email does not exist
6-20 characters(letters plus numbers only)
The password is inconsistent
Specially test the flex-end urence of rubber PU...etc.materials. Observe whether the specimen develops the damage and crack at certain angle after repeated bending. This machine has power off memory recovery function.