Actually i learn all this technics from trial and error when i start selling these headlamps. I repair my self too when my supplier dun want to repair those headlamp that water leaked inside like rear fish, think of a solution for those vapor problems and I waste a lot of time figuring out. My supplier only supply me the stuff but after sales service, i have to bear my self. Buying all the neccesary tools and trying various silicon glue already made me spend more than RM500, the most expensive is the digital control heat gun, can use from 50-600 degree celsius so i can repair various type of plastic material without melting it. But I am still searching for the exact glue the factory use to seal the headlamp, if anyone knows where i can buy it pls let me know, i belanja minum (not beer cos i dun drink alcohol :p )
But lucky enough i earn a good reputation here and many zth members support me and the stuffs i sell here. Sometime my price might not be the cheapest, but i try my best to give pre and post sales support and repair.
And one more thing the bloody angel eye LED my supplier dun give warranty at all, I give 1 month warranty, cos LED very easy damage by static electricity during installation. Changing the LED need to open up the plastic cover, a lot or work. Once my supplier charge me RM70 for a pair of LED and the single layer circuit board. I buy that thing since i ordered and i fabricate it my self and charge my customer RM6 (2 LED superbright) + RM 80 (to open and install the LED) with warranty if got leaking.