Features of high pressure sodium bulb:
1) Advanced processing equipment of arc-tubes and lamps
2) Latest technology, quality raw materials
3) High luminous efficiency, long rated average life 20,000 hours
4) Cost-effectiveness of power consumption
5) Golden-color light output, strong fog penetrating capacity (helpful to drivers' eyestrain, beneficial of traffic safety)
6) Applications:
Lighting in roads
Lighting of stations, airfields, wharfs, freight, transport stations
Lighting in area requesting strong fog penetrating capacity