welcome to visit changzheng optics’ website！ english ｜ russia home about us profile honor products lens news company news industry news network overseas network contact contact us feedback coco optics we have a complete optical lens products center all kinds of indicators meet the requirements of relevant standards at home and abroad lens lens lens lens lens lens view more our advantages we have a complete optical lens we are very professional and experienced from production to packaging to transportation products are exported to the united states,russia and other countries company introduction sincerely cooperate with friends at home and abroad
www.cocooptics.com是重庆长正光电有限公司旗下网站，网站成立于2011年3月16日。网站主要内容为：changzheng optical,lens等。网站前端技术使用requirejs,swiper,jquery,bootstrap，网站后端技术使用amazon cloudfront,openresty,nginx。网站已经通过工信部备案，备案号为： 渝ICP备12002260号。网站已启用CDN。已开启GZIP压缩。解析出来的IP有：221.227.232.106[中国江苏南通 电信]，58.215.114.233[中国江苏无锡 电信]，58.221.30.135[中国江苏南通 电信]。
