The   main   manufacturer   of   Diethyl   Acetamidomalonate
Your reliable partner in custom synthesis & contract manufacturing service

Chem4s Chemicals focuses on the researching development and manufacturing of Intermediates of APIs, special chemicals, Nutraceuticals.

Our factory is in Jiande, which is a suburb of Hangzhou. It covers an area of over 20000 square meters.

Chem4s uniquely have a multifunctional workshop, whose facility can meet from Kilo scale to Tons scale manufacturing for custom synthesis and contract manufacturing service. 

Chem4s set a R & D center in Hangzhou City.

Chem4s always pay attention to quality assurance system which comply to ISO9001:2000, had passed the quality qualification test by tow lunched marketing pharmaceutical company and became their eligibility provider.

We are engaged in Contract Research,Custom Synthesis,Kilo scale to Tons scale manufacturing. 
Our simple mission is to provide our customers with Special Service & Strong Synthesis.