Steel Grating long-term use of maintenance is very important, we must develop a regular cleanup periodically check the good habits, proper maintenance, steel grating used for 30 years generally no problem, the specific maintenance methods are as follows:
      1. The usual time to keep clean, not covered with all kinds of dirt, especially some corrosive materials residues.
      2. bolted steel grating must be regular checks, pay attention to the bolt is loose, there are hidden dangers in time.
      3. found that zinc coating is not, and should be promptly painted rust treatment.