Steel Wood Door - High quality inner plate ,U-style reinforcing rib ,MDFwooden door panel with tree skin & quality paint. 1. High quality inner plate ,U-style reinforcing rib ,MDFwooden door panel with tree skin & quality paint.2. specialty core inserted lockset,quality hinges,sound/heat insulation comb plate, stainless steel doorsill, reinforced door frame, door overlock serging, the fixed bored ...