we want to purchase a large amount of red oak lumber, be native to the northeast of north America . We require that all the red oak lumber must be A grade ; no knot ; side clean.  The commodity specification is below Width:90mm (98-100mm at least) ; Thickness:1 inch (27-28mm at least) Length:350-1250mm (except for 1000mm&1100mm)  Pls contact us for the detail information about your commodity.