Shanghai Welltone Material Technology Co., Ltd is an ISO9001:2000 certificated hi-technology Corporation, established in 2002 & headquarter located in Shanghai. Specialized in R&D, custom synthesis and market promotion of APIs, Pharmaceutical intermediates, Food additives and other fine chemicals. We have R&D center, pilot workshop and factories, equipped with advanced laboratory and manufacturing equipments and analytic instruments. Our factories of GMP standard are distributed at Zhejiang, Shandong, Jiangsu, and Henan provinces. R&D center is well equipped with fume hood and other facilities which can satisfy the requirement of custom synthesis from milligrams to hundred kilograms. Besides regular unit reaction, we are also good at special unit reaction, such as: Non-aqueous a..