looking for exporters of alternate to wooden door and window frames, preferable strong quality stumps, looking for volumes of supply, do mail us the tecnical details with your best offers. required sizes :- 6" x 3", 6" 2.6", 5" x 3", 5" x 2.6", 4" x 3", 4" x 2.6", of various length's or preferable maximum container length.