Traditional LED road traffic signal lamp engendered fall into abeyance probability accrete because of LED quantity too much.It is a big improvement over tungsten type road traffic signal lamps, but cost is high, and servicing inconvenient, the metropolitan municipal traffic technical improvement engineering annoyed all the time.
　　If it has a species LED bulb it needn't renewal the old bulb' shell, the LED quantity less than primary bulb, with lower failure rate, maintenance convenience, less cost of construction.
    Because of our company constant effects toward improvement, a species new-type road traffic signal LED bulb has been developed and produced in the end! It acquisition two items patent of country intellectual property bureau: new-type and appearance projecting 1999 year, 2000 year passed country electricity light source quality supervision survey center each item quality detect,the consume electricity is low, the luminance is high, the service life is high. The high-performance exert immensity action in country municipal engineering construction.
    Shanghai Qiding Photo Electricity Ltd Co. technology potency is great, the process facilities are advanced, the check means are perfect, our pay attention to advance the produce quantity, fetch in technical facility, produce the new produces, so exchange ere production well up incessant .Our company' produce' quality is high. Our company' work tenet is "the first is credit standing, the highest is users", our company' sell mode is agile. We have a based broad market in country; our customers deeply trust our production.
   LED LAMP appearance projecting patent No.:ZL 99 3 33158.0
   LED LAMP new-type patent No.: ZL 99 2 39628.X