The 58MW full-film water wall angle-tube low-quality coal fired hot water boiler independently developed by yingkou lvyuan boiler was successfully put into use in the dandong jinshan power plant of huadian group on November 17, 2013.The product not only has the characteristics of high efficiency, low emissions, at the same time also has a short construction period, low running cost, less construction investment. The characteristics of our company with only 97 days to realize the product design, manufacture, installation and operation, not only created a domestic shortest construction period, also made a stunning run effect, huadian group, jinshan plant has completed the acceptance of the equipment.