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: 10749

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:

NEXT:No Info
国产精品无码久久四虎| 国产碰在79香蕉人人澡人人看喊| 久久九九久精品国产免费直播 | 人人妻人人添人人爽日韩欧美| 国产在热线精品视频| 久久天天躁夜夜躁狠狠85麻豆|