There are more than 300 polyaluminum chloride manufacturers in China so far, The annual production is only around seven hundred thousand tons. Few factories can reach ten thousand annual production. the whole industry face to the situation of small scale, low grade,Weak research and development ability, difficult to control the production quality. Most enterprises whose sales less than ten million are unable to carry out strict quality control and equipment renovation, only to sacrifice quality to reduce the cost, resulting in disorderly market competition, the development of the whole industry is facing great difficulties.