Abstract: The paper discusses the production process of colored spun yarn, including color mixing and proofing, main technical measures and parameters of different stages of the process, etc. It focuses on introducing the quality control during the production of colored spun yarn and also summed up the characteristics of the production, such as “more orders, small batch, diversified varieties, strong pertinence and higher labor-consuming”.

Key words: colored spun yarn; color mixing; proofing; color difference; quality control