Hangzhou Haichem Co., Ltd'main products involved into hair dyes, special intermediates and active pharmaceutical ingredients like derivatives of pyridine, pyrazole, and indole.
As a leading manufacturer, we have two production bases and one R&D center with experienced chemists. Haichem does contract manufacturing from kilograms to tons by handling hydrogenation, chlorination, ethoxylation, acetylation, alkylation, amination (substitution), diazotization, nitration, nitrosation, cyclization, sulphonation, esterification, etherification, salt formation, amine and hydrazine derivatisation.
We sincerely welcome all of our friends to cooperate with us for our brilliant future.
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