亚洲人成未满十八禁网站,亚洲欧美婷婷五月色综合麻豆,艳Z门照片无码AV,臭小子啊轻点灬太粗太长了的视频

ZS-22 activated carbon for decolorization of drugs

Author： Zhengsen Environmental  |   Hits： 8711

This product uses high-quality coconut shell, apricot shell and walnut shell as raw materials, and is processed by advanced equipment, strict control of production process and refining. The product has developed pore structure, large specific surface area, strong adsorption capacity, good filtration performance, high mechanical strength, low ash content, high decolorization purity, etc.

Special indexes can also be developed and produced according to the actual requirements of customer.

PREV：

NEXT：