Our company supply high quality HID Conversion Kit since 2003 years . 

For our NH-SB kit which including :
1>.2 pcs of TC-Philips bulb which both inside and outside of the tube are from Philips . High quality and good price .
2>. 2 pcs of NH-SB Ballast which is really high quality ,defective rate less than 0.7% during whole warranty (14 months ) .this ballast without concussion for the bulbs when HID start ,prolong two times of bulb life .
3> . other fittings . box ,user manual ,ballast holder ,...
with our good quality products and nice after-sales services , we will have good cooperation in the near furthur .