With several years of development, Nanjing NingKang Chemical Co.,Ltd is growing rapidly, and has been the main manufacturer and exporter of series phenolic antioxidant products. Now the company is in the possession of fix assets RMB4,000,000, and covers space of total 4000 square meters. And its main products include: Antioxidant BHT（T501，264）capacity 4000mt per year ;2-tert-butyl-4-cresol ,capacity 2000mt per year； Antioxidant 2246, capacity 1500mt per year；2-nitro benzaldehyde 180mt per year。And more than 30% of products have been exported to the countries of European Union, America, and East-South Asia, and been highly remarked by the clients.The company owns Advanced production technology,high level technical equipment. And every lots of pro- ducts is inspected carefully before being delivered to custo mers. The company has a number of senior professional and technical staffs. All first-line production workers have been passed the professional technical training and safety education, to ensure that the production of safe and orderly manner and produce quality products in line with the standards. The company has passed the certification of ISO 9000,2001, and all the production and management have being carried out in strict accordance with the operation of certification requirements.