Kunshan Dazhuo Optics Factory was established in 2004 and is located in Kunshan,Jiangsu Province, Which is very near to Shanghai . We specialize in manufacturing optical lens (mainly be used in semiconductor laser modules) ,semiconductor laser modules /pointer . We can accept custom-made orders as well. Our products can be used industrial,medical,scientific research,enterainment,stage light,military etc. fields. We are outstanding because we are professional. Our target is to provide clients with high quality products, the best service and competitive prices. We are looking forward to having the opportunity to cooperate with you and serve you. We welcome all clients and friends to visit our factory and choose what you need.