... hardness,Fully kiln dired solid fame,all of the timber are embalmed, anti-moth-eaten, disinfection treatment, fully polishing, ... ,Woodrame moisture contain control between 12-14% . c) All corners are nailed, and glued for strength and durability.Wood frame joints ... structure consolidity . C) Foams: High-resilience foam Sponges are high density rebound foam,sofa feels comfortable,any density elasticity ...