1. Upgrade the crane capacity;
2. Upgrade the double braking function;
3. Upgrade the lifting and traveling mechanism;
4. Rectify deviation of crane traveling mechanism;
5. Upgrade the electrical system;
6. Upgrade the anti-swinging equipment;
7. Upgrade to fully automatic systemt;
1. Professional technical design team;
2. Advanced manufacturing factory and complete workshop;
3. A large number of practical application cases;
4. Senior construction team;
5. Professional after-sales service team;
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