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吉林恒升化工有限公司20余年专注于有机热载体科学研究和技术服务,生产的“日升”牌L-Q系列有机热载体,是全项采用新颁布的国家强制标准GB23971-2009《有机热载体》。
www.heattf.com 2025-06-25
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