macromolecule nanometer particle 基本例句 高分子纳米 Dongguan XuLian Electronic Technology co.,Ltd, a private high technology enterprise, is engaging in developing and manufacturing macromolecule nano-compound material.旭联电子科技有限公司,是一家专业从事高分子纳米复合材料研发和生产的民营高新企业。