How does the car crane handle?
By the Provincial Production Safety Supervision Bureau for a unified, from the date of issuance of two years without a test, continuous trial twice no longer tested.
Car crane operating permit (qualification certificate) at the beginning, middle and senior, in the local labor and social security departments, once owned, life-long, national general, no annual review; 2, car crane job card (certificate) regardless of grade,
3, over 20 years of age can hold a valid identity card to the relevant departments for examination, the certificate can be in the provincial labor skills identification center website (qualification certificate) and the Provincial Safety and Technical Supervision website (IC card card) query authenticity.