激情文学久久_黄色大片在线看_国产古装艳史毛片hd_久青青视频在线观看久_日韩一区二区中文字幕_99成人精品_欧美色淫_成年网站在线_国产18p_免费无码av污污污在线观看

Our company has become a global supplier of Samsung VD optical film!

Shuangxing New Materials was selected as "the only global strategic cooperative supplier of optical diaphragm materials of Samsung VD in 2020"

Double Star New Material held a customer symposium in the spring of 2019

Company leaders attended the year-end summit of China's coating industry chain and delivered a keynote speech

2018 Functional Film and Packaging Printing Industry Summit Forum was successfully held in Double Star

On December 7, in Suqian Double Star International Hotel, the elite gathered and the activity was extraordinary. The "2018 Functional Film and Packaging Printing Industry Summit Forum" jointly organized by Jiangsu Double Star Color Plastic New Materials C

Double Star New Material held the work summary and commendation meeting in the first half of 2018