OSI Group Co., Ltd. is a leading high-tech chemical and industrial enterprise cooperating with Research Institute of Physical and Chemical Technology of Chinese Academy of Sciences, with integrity of research and development, manufacture, export and service of a range of products regarding optical brightening agents applied in the fields of textile, dyeing and printing, plastic and short fiber, paper making, daily chemicals, simultaneously formaldehyde resin(cross linking agents) for paintings and other categories of dyeing and printing auxiliary agents.

Established in 1998, our company has workshops in garden style and modern office equipment. With an occupied land of 15 hectares, fixed asset of USD 6.5 million, a number of employee of 200 and science and technique personnel of 60, OSI has offered a platform with strong foundation for whitening chemical products.

With 34 series of optical brightening agents and 2 categories of formaldehyde resin, annual production quantity of brighteners and amino resin has reached to 20,000MT and 5,000MT respectively.

We will persistently put the priority of science and technology creativity into grounded. OSI has obtained certificates of ISO9001 and ISO14000. Our products have exported to Germany, Indonesia, Vietnam and other countries in Southeastern Asia and Europe since 2005.

With sales center in the city of Hangzhou and equipped with professional personnel, OSI has established a platform of sales and marketing as well as logistical systems.

Program introduction

Our company is a government enterprise, simultaneously a testing basement of Research Institute of Physical and Chemical Technology of Chinese Academy of Sciences. Through strong technological support from Chinese Academy of Sciences, OSI has been established R&D platform and specialized in optical brightening agents.

Domain products of OSI are ER-330 and EB-330, which are the pre-treatment agents for printing and dyeing industrial applications and they are suitable for increasing whiteness and fluorescent of various fabrics. With unremitting painstaking for past years, research and development, manufacture and sales of main products, OS325-80 and OS303-98 Melurac amino resin(crosslinking agent) for coating chemicals has formed an integrity with a large scale. Simultaneously each technique index has reached to international standards. We have gained good comments from customers at home and abroad in the regards of quality and service.