av无码观看中文四虎成人在线网站_怡红院怡春院欧美_久草免费新在线一区二区三区视频_日韩精品成人在线_国产精品天堂小视频一区

會員登錄
請登錄您的生意號,獲取電子名片。便于轉發(fā)分享!
取消
會員登錄
請登錄您的生意號,獲取電子名片。便于轉發(fā)分享!
取消
高密美女毛片一级,成人久久东京热老汉好爽无码视频

Polycarbonate microspheres

Shengjin technology

Polycarbonate microspheres

Applied for patent, polymer material

Material

Model

Polycarbonate microspheres

JHYMWQ®PC02

JHYMWQ®PC05

JHYMWQ®PC08

Note: The diameter of microspheres ranges from 20 to 50 μ m, with a molecular weight error of ± 10%

Taobao
Alibaba
QQ
Top
Home

Home

News

News

About us

About us

Product

Product

Contact us