<正> Caustic sodaIn June 2007, due to the demand de-crease in downstream sectors and thesales increase in domestic market, theprice of caustic soda droppedconsiderably. In North China, the trad-ing price of ionic membrane causticsoda was RMB540-580/t by the end ofJune 2007, compared to RMB560-630/tat the end of May 2007.In July 2007, due to the capacityexpansion, the output of caustic sodais expected to increase steadily, and theprice of caustic soda will decrease
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