Zhejiang Hongda Chemicals Co., Ltd. covers an area of more than 66,600 square meters. Our company has been engaged in optical brighteners and textile printing dyeing for more than 20 years and accumulated rich experience. Our company now owns many certificates, such as ISO9002 which was gained in 2000; ISO9001 and ISO14001 which were gained in 2005. Our company paid great attention to staff's quality and development. Until 2007, more than 85% of our staff members had graduated from technical secondary schools and universities, which had improved our comprehensive strength. We have many advanced equipments regarding to the research and development, such as IR dyeing machines, boarding machines, pad-dyeing machines, GC, HPLC and UV. Our company has also communicated and cooperated with certain numbers of domestic famous institutions and foreign chemical companies for many projects.Our products are mainly used in paper mill, textile, detergent and plastic industry. we have been working with multinational paper mills, detergent companies and world famous textile chemical distributors.