... . )Sizes: 3000/4000*620/650/720/900/960*30/40mm. Thickness/Lamella Width: 15,18, 20, 22, 25, 28, 30, 40 ... hiding at side or showing on face(5.) Quality Standard:A GradeNo dead knots (pin knots allowed, <1mm), little sound knots ... can offer paulownia , chinese fir, poplar, pine boards, and laminated board , finger jointed boards. These can be used for furniture, coffin, door ...