1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

LIDE PHARMACEUTICALS LIMITED is a professional leading manufacturer of chemicals and APIs in China. Our core business line covers APIs, Intermediates, Flavours and fragrances, Specialty chemicals, Dietary additives etc.We are specialized in chemical

We are a Union of chemistry in China, consists of chemists，engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

3-HYDROXY-4-[(4-SULFONAPHTHYL)AZO]NAPHTHALENE-2,7-DISULFONIC ACIDAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express