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

GRC series shell granular activated carbon

Author: Zhengsen Environmental  |   Hits: 10761

2009616191427.jpg

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


PREV:NSG series coconut shell granular activated carbon

NEXT:No Info
国产成熟女人性满足视频| 性色AV无码中文AV有码VR| 久久香蕉国产线看观看精品YW| 好吊色欧美一区二区三区视频| 亚洲在AV极品无码天堂| 狠狠综合亚洲综合亚洲色|