Lighting hazards, youth vision killer?

The Beijing Municipal Education Commission recently released an official Weibo news that this year the city will allocate a special amount of 96.352 million yuan to support 16 districts and counties of primary and secondary schools in the end of August to comp

Plastic optical fiber is moving toward sustainable development

Plastic optical fiber Compared with traditional optical fiber, plastic optical fiber has the characteristics of environmental protection, light weight, low cost, easy operation, etc., and the application prospect of plastic optical fiber market is not only in