Sunwin Chemicals ,including Weifang Sunwin Chemicals and Shanghai Sunwin Chemicals with the former being the manufacturing site and the latter being the center for international trade and R&D, is a leading manufacturer of betaine series in China , registering an annual production of betaine hydrochloride and betaine anhydrous as high as 15,000 tons.

Currently we can produce three major series :betaine series (betaine hydrochloride ,betaine anhydrous, betaine phosphate , betaine citrate etc.) , pyridine derivatives (niacin,nicotinamide, 2-chloro-4-nitropyridine,3-Pyridine acetic acid hydrochloride etc.) and organic chelates ( picolinate , citrate, glycinate, methionine ).