Hongyuan Envirotech Co., Ltd is a wholly-owned subsidiary of Zhejiang Hongsheng Envirotech Group Co., Ltd . It is located in the Liaoning Free Trade Zone (Yingkou) Area, covering an area of ??120,000. Square meters with more than 600 employees and achieves an annual output value of 200 million RMB. The main business scope: Filter material ，glass fiber and products ，PTFE Products， composite materials, textile products, environmental protection equipment manufacturing, technical development and technical services of the above products.