... according to DIN window doors are produced by Pine,Larch,white oak.Qingdao ASEU WOOD CO., LTD ... laminated scantlings in Shandong province, china.Main Specs:Pine,Larch,Oak etcFinger joint :KKKSolid lamella: DKDVertical grain ... plants with 4 KD room. with an annual output of 3000M3 pine/Larch door window frame,3000M3 pine/Larch, ... and Europe market for years. doors,wooden doors,plain doors,solid wood door