Softwood slats

We buy dry class A softwood elements 12 with dimensions of 3.00m x 35 mm x 35 mm.
The elements must be sawn preferably on a multi-blade, without underdimensions.
The wood must be FSC certified.
Small healthy knots are allowed on the surface of the pieces without the edge area, black knots or falling knots are not allowed.
Required quantity 10 mc /month.