we are glad to welcome you to the website of Shanghai Greatsun Industry Co., Ltd. we are one of the leading manufactory of maleic anhydride,fumaric acid in china.we have productions base in shanxi province. shanxi province is rich in coal resources,coal used to produce benzene as raw materials for maleic anhydride,and near tianjin port to ship.we have got the ISO19001:2000 Quality Control System Authentication,our output of maleic anhydride is fifty thousand ton per year,the fumaric acid is five thousand ton per year, and up to now maleic anhydride export is more than ten thousand ton per year, annual export turn-over around USD15,000,000 .

our export distributor center is in the china economic center shanghai,we due to economic liberalization and globalization,our idea:Trust is the root of our development. high quality and satisfying service guarantees our long and reliable relationship with our clients. We aim to get co-development. hope to cooperate with your company as a partner supplier.