欧美精品九九99久久在免费线,人妻系列无码专区无码中出,天堂国品一二三产品区别大吗,少妇被水电工侵犯在线播放

NSG series coconut shell granular activated carbon

NSG series coconut shell granular activated carbon

Author: Zhengsen Environmental  |   Hits: 13870

2009616191652.jpg

NSG series coconut shell granular activated carbon is made of high-quality coconut shell, apricot shell and walnut shell by drying, carbonization, activation and post-treatment. It has the characteristics of strong adsorption, large specific surface, low ash and high mechanical strength. It is suitable for air purification, catalyst carrier, precious metal extraction, drinking water purification, solvent recovery and drug decolorization.


PREV:No info

NEXT:
在线观看国产一区二区三区| 欧美性猛交内射兽交老熟妇| 亚洲精品国产字幕久久麻豆| 久久久久亚洲AV无码专| 大香伊蕉在人线国产97| 日韩AV无码中文无码不卡电影 |