shenzhen kaieryue optical technology.,TLD have several yeas experiences of designing and developing led lens and led lights.we have designed the lens of American LUMILEDS,CREE,KOREA Seoul,taiwan HLE successfully.the lens beam angle we have designed are 4 degree,6 degree,9 degree,8 degree,10 degree,15 degree,25 degree,30 degree,45 degree,60 degree,70 degree,80 degree and so on.the matching stents are black,white,tranparent,Cylindrical,Tetrapod self-locking