Changzhou Sunlight Pharmaceutical Co., Ltd. (originally Changzhou Sunlight Pharmaceutical Raw Material Co., Ltd. and Changzhou Sunlight Fine Chemcial Co., Ltd.) is located in Benniu Town, Changzhou City. The traffic is very convenient. It is a national high and new technology enterprise that collects research and development, production and sale in one set. It is AAA grade credit enterprise of Jiangsu Province, contracts and keep promise enterprise of Jiangsu Province, Changzhou civilization unit and Changzhou environmental friendly unit.

The company was established in 1990. The floor area is 258 thousand sqm. Under the leadership of company's directors, the company has garden type factory, automation production workshop and comfortable office building. The environment is exquisite. Now, we have more than 400 stuffs. The professional technician is 35% of the total stuff. There are more than 130 students graduated from universities and colleges, including overseas students back from Europe, the United States and South Korea.

4,4'-Oxybis(benzoyl chloride)(DEDC)