ABOUT US Liaoning EO Valve Co., Ltd Liaoning EO Valve Co., Ltd. was set up in 2006, we are China’s northern set research and development, manufacturing and marketing in one of the professional large-scale valve manufacturers. The products are widely used in metallurgy, chemical industry, city heating, papermaking, electric power, pharmaceutical industry, and so on. It is widely used in metallurgy, chemical industry, city heating, paper making, electric power,