果冻传媒av毛片无码蜜桃,婷婷激情五月国产丝袜,亚洲丰满熟妇xxxx性多毛av,在线观看视频网站成人,绝色暧昧最新免费阅读,色欲av永久无码蜜桃,一本道免费无码久久草,梁爱琪电影,小旅馆的肥熟老女人,韩国三级网片

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      

PEEK

     Polyether-ether-ketone(PEEK): PEEK is a kind of special engineering plastics with excellent properties. PEEK has excellent properties of high temperature resistance, good self-lubrication, chemical corrosion resistance, flame retardant, peel resistance, wear resistance, easy processing and high mechanical strength. It is widely used in aerospace, automobile manufacturing, electronic and electrical industry, medical treatment, food processing and other fields.



                                                 

                                                       





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