For bulbs :
1. The inner and outside tube are made by Philips
2. The purerity of mercury is reach to 99.999999%
3. Luminous flux is adequate to protect the electrode and prolong the bulb’s life.
4. The bulb votage range is between :85v+_10v,which is more strict than international standard.
5. The input wire is the original that using in brand car of “vw”
For ballasts:
1. FP-SB ballast can match with our domestic bulb manufacture
2. Without concussion start ,prolong 2 times of the bulb life span
3. Defective rate within 3 pc in 1000 pc.