Hengyue (Liaoning) Environmental Technology Co. Ltd. is one of the largest companies producing non-woven fabric in China, and is specialized in research and development of filter materials for separating gas or liquid from solid. It is one of the backbone companies of environment protection industry in China. After more than ten years Exploration and development, the company has became a professional manufacturer with development, production, sales and service. The complete set of needle punching non woven fabrics manufacturing line is equipped with the...