The cosmetics company worked with professional co-packers to efficiently manufacture their new products.

co-packers 是 co-packer 的复数形式，由前缀 co-（表示"共同、合作"）和名词 packer（包装商）组成。 co-packer 指专门为其他公司提供包装服务的第三方企业，即"合作包装商"或"代包装商"，这类企业通常拥有专业设备和生产线，帮助品牌方完成产品包装环节。