4,4'-Oxydiphthalic anhydride

Founded in 2014, Henan Aochuang Chemical Co., Ltd. is committed to the development of medical science and material chemistry technology. Based on the advanced technology for chemical and medical , it specializes in the research, development, and sales of pharmaceutical intermediates, electronic intermediates ,battery material intermediates, and other fine chemicals. The company has professionals who have been engaged in chemical production and sales for many years. It is a vigorous pharmaceutical chemical technology enterprise with professional background. 90% of the company's products are sold to Japan, South Korea, Europe and the United States. We have maintained good cooperative relations with many international well-known enterprises, and have been well received by all parties. ? Adhering to the principle of "quality first, customer first, integrity-based, mutual benefit", the company provides customers with high-quality products ranging from grams to tons, and comprehensive services from products to technology, and is willing to work together with all walks of life. , and jointly contribute to the development of the material and pharmaceutical industry!