... 3.Had applied for patent 4.OEM pictures wood sofa furniture solid wood furniture heavy wood furnitureREASONABLE PRICE: it is not at low ... : Full dried solid wood frame. Undergone anti-worm and humidity control between 12-15%, S shape spring , paper wire , plastic net, ... webbing ,lining, ect. 2. FOAM CUTTING&GLUE ON THE WOOD FRAME: Hight density foam:D40 ...