According to the national economic commission of the People's Republic of China [1988] no.177 "notice on approval of eleven national product quality supervision, inspection and testing centers", National Center of Quality Supervision and Inspection for Dyestuffs is listed as the first batch of national quality inspection centers approved by Certification and Accreditation Administration of the People’s Republic of China，which is authorized as national quality inspection institution of dyestuffs, intermediates, food colors and so on with a third party fair status and which is also the secondary institution of Shenyang chemical research institute co. LTD. In the latest years, our center has undertaken plenty of quality supervision spot check work of dyestuffs, dyestuff intermediates, textile dyeing and finishing auxiliaries, food colors and other products, new product appraisal inspection, product quality arbitration inspection, product quality inspection for production license, product quality consignment inspection, inspection of harmful (carcinogenic) aromatic amines, harmful heavy metals and other harmful substances in dyestuff products.