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民用聚丙烯酰胺
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POLYACRYLAMINDE
OILFIELD
民用聚丙烯酰胺
TECHNICAL SUPPORT
应用案例
TECHNICAL SUPPORT
ABOUT US
ABOUT US
新闻资讯
荣誉资质
关爱员工
ENVIRONMENT
LSOCIAL RESPONSIBILITY
CONTACT US
CONTACT US
Chinese
ABOUT US
新闻资讯
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Advanced unit of safety production in 2011
