3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone; 4,4'-Sulfonylbis(2-aminophenol); 3-Amino-4-hydroxyphenyl sulfone; 2-Amino-4-[(3-amino-4-hydroxybenzene)sulfonyl]phenol

Career co-creation, benefit sharing, lasting innovation and harmonious development are the core values of Yuanda people. Co-creation and sharing is the foundation of Yuanda Chemical. Co-creation and sharing is to create business together and share benefits with employees, shareholders and customers. Employees work hard for Yuanda's growth, shareholders build a platform for Yuanda's business, and customers create markets for Yuanda's operations. This is the cornerstone of Yuanda Chemical. In the process of creating wealth, Yuanda Chemical insists on motivating employees with value, returning shareholders with benefits, dedicating customers with quality products, and earnestly fulfilling social responsibilities. Yuanda Chemical is the result of Co-creation and sharing. Through continuous innovation, Yuanda Chemical has enabled the company to maintain its vitality forever; and through the construction of a harmonious “heart” culture, the company has achieved rapid development. Tongchuang Sharing can make Yuanda Chemical an outstanding enterprise with employee pride, customer respect, peer admiration, government support and social trust, ensuring Yuanda chemical industry is evergreen.