The 3rd Annual meeting and standard Review meeting of dyeing Auxiliaries Sub-Technical Committee of National Dyestuff Standardization Committee was held in Guilin, Guangxi from October 15 to October 18, 2020. Conference, the national standardization technical committee dye auxiliaries related personnel, and technology committee and discuss the 2021 national standards, industry standards and revising projects, for the 2021 standard review and standard system revision is prepared and transformation work smoothly carries on, hope all the members and the units concerned to take an active part in the standard system revision work, Actively provide suggestions for the standardization work of the sub-committee, so as to constantly improve the standardization level of the industry and promote the healthy development of the industry.