The two-stage reverse osmosis system was used to produce desalting water that was used as additional water of medium temperature and mediumpressureboiler.
二级反渗透生产除盐水，并作为中温中压锅炉的补水，目前为国内首创。
2
Along with the hot-rolled strip quality and the level of ERW pipe manufacture improve in domestic, the factors manufacturing welded pipe for low and mediumpressureboiler have possessed.