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据《中国化工报》1996年10月2日报道,美国普莱克斯工业气体有限公司与北京化工实验厂签订一项合资协议,成立“普莱克斯-北京化实二氧化碳有限责任公司”。它是在中国建立的首家最大的高纯度二氧化碳专业生产厂家,总投资约800万美元,年生产能力达3．2万吨液态二氧化碳,供应国内饮料、食品、医药、纺织、冶金、金属加工及环保业用。
According to “China Chemical News” reported on October 2, 1996, Praxair Industrial Gas Co., Ltd. of the United States signed a joint venture agreement with Beijing Chemical Experimental Factory to establish “Plexex-Beijing Huashi Carbon Dioxide Co., Ltd.”. It is the first largest professional manufacturer of high-purity carbon dioxide established in China with a total investment of approximately US$8 million and an annual production capacity of 32,000 tons of liquid carbon dioxide. It supplies domestic beverages, food, pharmaceuticals, textiles, metallurgy, and metal processing. And environmental protection industry.