青岛润兴塑料新材料有限公司：是道恩股份全资子公司、国家认定高新技术企业，位于青岛市城阳区，专业从事塑料色母料、 功能母料的研发、生产、销售和服务，拥有家电色母、通用黑色母、化纤母料、工程塑料黑色母、改性料、全生物降解料六 大核心产品线，产品广泛应用于家电、纤维纺丝、卫生材料、塑料管材、工程塑料、薄膜包装、日用轻工、塑料家居用品等 领域。
Qingdao Runxing Plastic New Materials Co., Ltd.: a wholly-owned subsidiary of Dawn Group and a national high-tech enterprise, located in Chengyang District, Qingdao. It specializes in the R&D, production, sales and service of plastic color masterbatches and functional masterbatches, with six core product lines including home appliance color masterbatches, general black masterbatches, chemical fiber masterbatches, engineering plastic black masterbatches, modified materials and fully biodegradable materials. Its products are widely used in home appliances, fiber spinning, hygiene materials, plastic pipes, engineering plastics, film packaging, daily light industry, plastic household products and other fields.
