Our company - Chengdu Lis Business Co.Ltd is a specialized company envolved in optical products. Located in Chengdu where have World's largest optical glass factory- Chengdu Guangming, we also invest in the factories producing optical products such as various lens, binoculars, rifle scopes etc. and affiliate factories produce camera and microscopes too. In our factories have sophisticated equipements for test and development, once cooperate with many world famous company.