再精选 meaning in English

recleaner flotation
recleaning
reconcentration

Professional designers with computer - aided design system design , re - selected raw materials , through the unique die - casting , sandblasting and hot - pressing process , polishing and fine processing technology , has first - class quality products to lead the world trend
专业设计师配合计算机辅助设计系统进行设计，再精选原料，通过独特的压铸、喷砂和热压工艺，及精抛光加工技术，使产品呈现一流品质，引领世界潮流。