Naphthol As-D - China Manufacturers, Factory, Suppliers

High-quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is constantly observed and pursued by our business for Naphthol As-D, Naphthol As – Bo , Direct Black 22 , Direct Brown Rn , Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.