粗大的内捧猛烈进出在线视频,激情综合色综合久久综合,狠狠色噜噜狠狠狠777米奇小说,99久久久精品免费观看国产

New product

Hydrogen peroxide stabilizer AS-1630

 

Scope of application:

Cotton fabric bleached with hydrogen peroxide

Features:

Weak anionic type

Advantages:

The hydrogen peroxide is decomposed evenly in the dye bath