We are shanxi regentworks inc.As the biggest manufacturer for Maleic Anhydride and the first class manufacturer for Fumaric Acid in China , at present our factory mainly produce Maleic Anhydride 99.5% min in flakes and briquette,molten form, 50,000MT per year ,and Fumaric Acid (Food Grade , according to FCCV standard), 6000MT per year. depending on our perfect service , steady superior quality , timely delivery,  generous capacity , now we have many good ,steady, foreign customers from  Asia , South America , Middle East , Europe, USA etc. We very expect to extend the new international business with your esteemed company together.