久久国产精品72免费观看_我要看午夜国产毛片_黄片三级片在线免费看_国产在线观看高清视频色_舔B拨弄深入抽插深夜视频等_2017最新高清无码网站_粉色视频高清免费版观看_最新日韩丝袜AV网站_一区二区三区黄片_日本天天干三级网站免费看

PA/PET Spinning masterbatches have been developed successfully

With the continuous development of stock solution coloring technology in the spinning industry, the demand for PET/PA spinning masterbatches is increasing gradually. Spinning masterbatches require extremely high dispersion on carbon black, and the research and development of spinning masterbatches began in the 1980s.

After many attempts, Joycolor New Material technical team finally broke through and successfully developed PET/PA spinning masterbatch.

Time: 2022-06-27   Visits: