 
            A. Hold Down Grid for Radom Packing (Attached to the Column) (HD-R01)
HD-R01 is a
                grid-type bed limiter fixed to the column wall.
 
            B. Hold Down Grid for Random Packing Assembled with Liquid Distributor
                    (HD-R02)
HD-R02 is a grid-type bed limiter assembled with a liquid distributor.
 
            C. Hold Down Grid for Radom Packing for A Small Column (HD-R03)
HD-R03 is a
                grid-type bed limiter assembled with a liquid distributor or attached to the column.
 
            A. Hold Down Grid Conjunct with Liquid Distributor or Attached to the Column
                    (HD-S01)
HD-S01 is grid type bed limiter conjunct with a liquid distributor or
                attached to the column.
 
            B. Structured Packing Hold Down Grid with Liquid Distributor Support
                    (HD-S02)
HD-S02 is a grid-type bed limiter that acts as a structural support and
                leveling device for the liquid distributor.
 
							 
                                                            