Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

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

1.Our services：A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

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

1,5-NAPHTHALENEDISULFONIC ACID,3-[[4-[[4-[[3-[[[4-[(4,8-DISULFO-2-NAPHTHALENYL)AZO]-2-METHOXY-5-METHYLPHENYL]AMINO]CARBONYL]-4-METHOXYPHENYL]AZO]BENZOYL]AMINO]-5-METHOXY-2-METHYLPHENYL]AZO]-,TETRAPOTAAppearance:white crystalline powder Storage:Store

factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents