Yunnan Industrial Lighting ( Poly -Technology ) in April 2011 passed the ISO9001 international quality management system certification. Yunnan Industrial Lighting (poly -technology ) to advanced production technology, and efficient mode of operation, a sound management system and fully guarantee the product high quality Yunnan Industrial Lighting (poly -technology ) company recently Release of 24W LED lamp 420 yuan / sets, E27 screw directly replace traditional 85W energy-saving lamp, or 150W incandescent bulbs. Recommended installation height 3-4 meters.