Director of commercial concrete mixing station laboratory?

1. The following documents must be held: intermediate professional title (in some places, it can be extended to assistant workers), employment certificate.

2. Be familiar with the standards and specifications of construction, especially concrete.

3. Be able to skillfully carry out test work (used to guide subordinates to carry out work.)

4. Be familiar with concrete mix design and adjustment.

5. Be familiar with the treatment of common abnormal phenomena in concrete.

6. Able to endure hardship.