概述纯碱行业正在经历一段困难时期 ,对世界纯碱生产商来说 ,过去的几年非常艰难。生产能力过剩 ,需求低于预期值 ,长年的低价位以及能源价格负担太重均已成为纯碱行业发展的约束力量。从历史上看 ,纯碱的需求一直与国民生产总值(ＧＤＰ)成正比。世界发达地区包括美国、西欧和 Overview The soda ash industry is going through a difficult period. For the world soda ash producers, the past few years have been very difficult. Excessive production capacity, demand is lower than expected, long years of low prices and the burden on energy prices have become the soda ash industry constraints. Historically, demand for soda ash has been proportional to gross national product (GDP). The world’s developed regions include the United States, Western Europe and the United States