1, Double-ended high pressure sodium lampCharacteristic: Excellent color temperatureApplication: Commercial lighting, Exhibition lighting, Air-port lighting Hotel & Decoration lighting.2, Double tube high pressure sodium lampCharacteristic: High Luminous efficiency, energy saving, double life time of ordinary HPS, golden-white light, better capability of fog penetrating saving the cost of maintenance.Application: Commercial lighting, Exhibition lighting, Air-port lighting, Hotel &Decoration lighting.3, High pressure sodium lamp with lighterCharacteristic: High Luminous efficiency, energy saving, golden-white light, better capability of fog penetrating saving the cost of maintenance.Application: Lighting for road, air-port, dock, station and mineral & Industrial Enterprises.4, Ordinary high pressure sodium lampCharacteristic: High Luminous efficiency, energy saving, golden-white light, better capability of fog penetrating saving the cost of maintenance.Application: Lighting for road, air-port, dock, station and mineral & Industrial Enterprises.5, High pressure sodium lampCharacteristic: High Luminous efficiency, energy saving, golden-white light, better capability of fog penetrating saving the cost of maintenance.Application: Lighting for road, air-port, dock, station and mineral & Industrial Enterprises.