免费+无码+高潮_免费无码高清一区_欧美大片国产精品美女裸体视频_精品av一区9久_精品av一区10久_成人性爱无码在线视频_日韩三区四区精品视频在线观看_伊人高清国产在线

簡體中文 English
HomeAbout UsProductsCore TechnologyNewsThesisJoin UsContact Us

News

Company News Hot news
The standard of Solid Ca/Zn Complex Heat Stabilizer for PVC of Guangdong effective on July 15, 2015
Date Time:2015-07-16 23:41:07 Views:Back


Our company was designated to formulate the industry standard of Solid Ca/Zn Complex Heat Stabilizer for PVC of Guangdong Province【DB44/T1588-2015】. This standard was carried out formally on July 15, 2015. 


PreviousOur products on the List of Encouraged Substitutes to Toxic and Hazardous Raw Materials (Products)

NextThe 238 project awarded the second prize of Science and Technology Award of Duanzhou District

Share to: More
PrintRefreshTopBack