Hangzhou Longda Chemical Co., Ltd.   

      Longda Chemical Co., Ltd is the key enterprise specializing in high-grade acid dyes, dye intermediates, pharmaceutical research and development, production of export. Now the production and marketing of high-grade acid dyes, Enron free, an Longsu pharmaceutical intermediates, dyes, acid fluorescent dyes such as the four major series of products. The company has located in Zhejiang Hangzhou and Hubei Jingzhou two chemical synthesis and standardization of production base. The company has established a complete quality management system, through the ISO9002 quality certification, has two American import Datacloir data color and a South Korean imports of UV UV detector. Organize production strictly in accordance with national and international standards, to ensure product quality, meet the needs of users, and can provide technical support service for the client application to help improve the quality of the production, application, as...