... Product 99% 2. We are the biggest maleic anhydride manufacturer in China 3. Output: 100,000Ton Name: Maleic anhydrideOther names: cis-Butenedioic anhydride,Toxilic anhydride,2,5 ... , copolymers and also for synthetic resin, coating, pesticides, medicine, food, and lubricant additive, etc.Please feel free to contact us! Maleic Anhdyride 99.5%