黄色AV网站
       4,4’-Diaminostilbene-2,2’-disulf..
       p-nitrotoluene-o-sulfonic acid ..
       4,4-Dinitrostilbene-2,2-disulfon..
       Aniline-2,5-disulfonic acid mono..
       Para Amino Azo Benzene 4 Sulfoni..
       4-aminobenzene-1,3-disulphonic a..
        More
  Culture

◇ Corporate philosophy: Advanced technology based, scientific management centered 

◇ Corporate tenet: Provide the customers with satisfying products 

◇ Corporate spirit: Be prominent and top 

◇ Operation principle: Honest, quality based 

◇ Market idea: Adapt ourselves to, follow and explore the ever changing market.