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11月份以来,河北精信化工集团在研发成功填补国内空白的氯化聚乙烯改性合成橡胶新产品基础上,及时总结分析各
Since November, Hebei Jingxin Chemical Group in the research and development successfully filled the gaps in the chlorinated polyethylene modified synthetic rubber based on new products, timely summary of the analysis