精品亚洲一区二区三区在线播放|大肉大捧一进一出好爽视频动漫|亚洲乱妇老熟女爽到高潮的片|国产精品人妻久久毛片高清无卡

To provide you with solutions to meet your needs.
Relying on our core technology, expertise and skills, Qingyan is committed to bringing the greatest value to the market and developing innovative and competitive chemical solutions for customers in a wide range of industries
■ LCP       ■ PSU PES PPSU       ■ PEEK       ■ PPS      

PSU PES PPSU

     Polyether sulfone (PSU PES PPSU): a kind of transparent or translucent amorphous polymer with light amber color, which is one of special engineering plastics. Polyether sulfone is widely used in high-tech fields such as precision machinery, aerospace, automobile, medical equipment, weapon equipment because of its excellent properties such as light weight, high strength, self-lubrication, wear resistance and corrosion resistance.







      






Copyright © 2019  Nanjing Qingyan polymer new material Co., Ltd.   網(wǎng)站備案/許可證號(hào):蘇ICP備2021051467號(hào)-1