Hangzhou An Longda Chemical Co., Ltd. is a production of acid dyes, oil-soluble dyes, disperse dyes, dye intermediates, pharmaceutical companies, producing dozens of varieties. Sales network throughout the 20 provinces, the products are exported to Southeast Asia, Central and South America, Europe, dozens of countries and regions. Hangzhou An Longda Chemical Co., Ltd. for its quality products, excellent service, praised by domestic and foreign customers. Hangzhou An Longda Chemical Co., Ltd. has always pursued "quality first, users first" purpose, the establishment of a complete set of comprehensive quality management system, with international advanced level of quality testing equipment, in strict accordance with national and international standards to organize production, to ensure prod.. (more>>)