美女噜噜在线观看|青青青艹在线免费|亚洲AV毛片一区二区三区电影|五月天综合网精品|火辣无码视频在线|日韩久久无码免费看|91人妻人人澡人人爽人人精品内射小说|99国产精品99久久久久久久四虎|亚洲精品一区二区三区不卡|中文字幕理论在线

會員登錄
請登錄您的生意號,獲取電子名片。便于轉(zhuǎn)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(zhuǎn)發(fā)分享!
取消
亚洲精品综合91 1080P,玖玖玖影视精品无码

Poly(trimethylene carbonate)

Shengjin technology

Poly(trimethylene carbonate)

【 English name】: Poly (trimethylene carbonate)
【 Chemical Name 】: Polytrimethylene carbonate (PTMC)
Molecular weight: 50000 to 200000
Usage: Can be used as a medical polymer absorbable material, high-end medical equipment, and medical consumables

Taobao
Alibaba
QQ
Top
Home

Home

News

News

About us

About us

Product

Product

Contact us