For procurement managers and R&D scientists, sourcing reliable chemical intermediates is critical for the success of their production processes. Diethyl Maleate (DEM), a key chemical intermediate with applications ranging from agrochemicals to polymers and coatings, is one such compound. When considering where to buy Diethyl Maleate, China emerges as a major manufacturing hub. NINGBO INNO PHARMCHEM CO.,LTD. offers insights for buyers looking for a dependable Diethyl Maleate supplier in China.
Why China for Diethyl Maleate?
China's chemical manufacturing sector is vast and capable of producing a wide array of intermediates at competitive prices. Diethyl Maleate (CAS 141-05-9) is no exception. Many Chinese manufacturers specialize in producing DEM with high purity levels (often ≥98.0%), making it suitable for demanding applications such as the synthesis of Malathion or as a monomer in advanced polymer formulations.
Key Considerations When Buying Diethyl Maleate:
As a leading Diethyl Maleate supplier based in China, NINGBO INNO PHARMCHEM CO.,LTD. understands these buyer considerations. We are committed to providing high-quality Diethyl Maleate, backed by rigorous quality control, competitive pricing, and excellent customer service. Whether your interest lies in its use as an agrochemical intermediate, a polymer monomer, or for other industrial applications, we are equipped to meet your needs.
We encourage potential buyers to request a quote and sample to evaluate our product quality and service firsthand. Partnering with a trusted manufacturer like us ensures you secure a dependable supply of Diethyl Maleate, supporting your operational efficiency and product development goals.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.