The invesiment and production cost islow with nationalized technology The ploycaProlactam process studied in this wticle islower-cost, green- e nv ironme nt-po l l uti o n e ngi ne eri ng techno l o gy with stro nge rcompetitive ability in the world.

• 国产化技术投资成本与生产成本低，本文研究的己内酰胺聚合工艺是具有很强国际竞争力的低成本绿色环保工程技术。