Anhui Yuanchen Environmental Protection Sci & Tech Co., Ltd. engages in the research, development, production, and sale of environmentally friendly products such as filtration materials. It offers denitration catalysts, filter bags, protective equipment such as masks and meltblown cloth, and flue gas purification products. The company was founded by Hui Xu and Wen Xian Zheng on May 16, 2005 and is headquartered in Hefei, China.