4-hydroxyphthalic acid NEW

YiZheng HaiFan Chemical CO., LTD. is founded in 2002. Now, we offered more than 1000 organic intermediates including about 200kinds of derivatives of phthalimide to our customer. Under our belief which is providing the best products with the highest quality, we develop quickly and healthily these years. We have been the largest manufacture which produces derivatives of phthalimide in china.