The new installed timber treatment cylinder DN1.5-6 (φ1500mm, length 6000mm) in Uganda. TAIGUO DN series timber treatment cylinder is widely used in timber anti-corrosion, ant-mildew, ant-termite, flame retardant, modified, dyeing, carbonizing, drying etc. It adopts latex cushion air-pressure door seal, automatic operation on material pull in/ pull out, one button feeding or discharging chemicals, one button increasing pressure--discharge pressure--vacuuming.