controlled and the dropping and leakage are avoided.Spring cramps are used in the bottle washing process.The empty bottles can be turned over 180 along the conveying rail.There are two times of internal and external washing,the efficiency of bottle washing is high,The magnetic torque is used for screw capping.The power of screw capping can be adjusted without steps.The power of the screw capping can also be fixed and the caps will not be damaged,the capping is reliable,the whole machine is cont