国产精品第17页成人_国产福利姬视频导航入口_最近2024中文字幕视频_丁香五月婷婷亚洲_色欲av天天av亚洲一区_午夜在线电影_欧美一级做a爱高清免费观看亚洲五月_厨房的欢愉波多野结衣BD_97无码人妻福利公开在线视频_国自产拍高清精品

Warmly congratulate the commissioning of our 300000 ton high-performance membrane material production line

2021-04-09

Double Star New Material was recognized as a "Suqian Boutique" brand

2021-03-08

Zhang Aijun, Secretary of the Municipal Party Committee, visited Shuangxing New Materials to investigate the epidemic prevention and control

2021-02-10

[Honor] The achievements of the company's scientific and technological projects won the Science and Technology Award of Jiangsu Province in 2020

2021-01-22

The company was awarded the title of "AAA Quality Credit Enterprise in Jiangsu Province"

2021-01-14

Good news! Double Star New Materials Ranked in Suqian's First Batch of "Top 20 High tech Enterprises for Innovation"

2020-12-25