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Ningbo Zhetie Jiangning Chemical Co. Ltd is a leading Chinese manufacturer of high-purity Maleic Anhydride, Phthalic Anhydride, Fumaric Acid, L-Asparic Acid, and Malic Acid. With over 20 years of expertise, we deliver reliable chemical solutions for global industrial applications.
A trusted manufacturer with a strong commitment to innovation, quality, and customer satisfaction.
Located in the Ningbo Petrochemical Economic and Technical Development Zone, our company has been a professional manufacturer since 2003. We specialize in the research, production, application, and sales of maleic anhydride, phthalic anhydride, fumaric acid, aspartic acid, malic acid, and their downstream products.
With an annual production capacity of 180,000 tons, we are one of the world’s largest producers of maleic anhydride and phthalic anhydride. Our advanced gas-phase oxidation process ensures high selectivity and purity, making our products ideal for use in resins, pharmaceuticals, coatings, and more.
We are committed to continuous innovation, operational efficiency, and building a robust industrial chain centered around maleic anhydride. Our goal is to grow alongside our customers through excellent products, service, and competitive pricing.
High-purity chemical compounds for diverse industrial applications.
C4H2O3 | MW: 98.06 g/mol
C8H4O3 | MW: 148.12 g/mol
C4H4O4 | MW: 116.07 g/mol
C4H7NO4 | MW: 133.10 g/mol
C4H6O5 | MW: 134.09 g/mol
C4H6O5 | MW: 134.09 g/mol
C4H4O4 | MW: 116.07 g/mol
C8H8O3 | MW: 152.15 g/mol
Annual production capacity of 180,000 tons ensures reliable supply and scalability for global clients.
Gas-phase oxidation of n-butane ensures high selectivity, purity, and environmental efficiency.
Our products serve industries including resins, pharmaceuticals, food, coatings, and textiles.
20+
Years of Experience
180K
Tons Annual Capacity
50+
Global Clients
99.5%
Average Purity
Maleic anhydride is primarily used to produce unsaturated polyester resins (UPR) and alkyd resins. It is also a key intermediate in the production of 1,4-butanediol (BDO), tetrahydrofuran (THF), fumaric acid, and various pharmaceuticals, pesticides, and food additives.
Our maleic anhydride is produced via gas-phase oxidation of n-butane. This process converts the methyl group to a carboxylate and dehydrogenates the backbone, resulting in high selectivity due to the stability of the conjugated double bond system.
We offer maleic anhydride in 25kg bags, 500kg super sacks, and bulk shipments. Custom packaging is available upon request.
Yes, we export to customers worldwide. Our logistics team ensures safe and timely delivery with full documentation and compliance.
For inquiries, quotes, or technical support, reach out to our sales team.
Email: SALES@MALEIC-ANHYDRIDE.COM
We respond to all inquiries within 24 hours.
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