The biggest glulam/edge glued panel/finger jointed board factory in China FSC certificate WEINIG machine from Germany....... finger jointed board.Specifications.Grade: AA AB AC CCThickness: 3-90mm Size:normal size:1220mmx2440mmany size according to buyer's requirement.Glue: E0Mosture:6-12%Quality description:No decay, no internal crack, free clip skin, no oil capsule, oil lines, no insect eyes, ...