Inorganic chemical products 
Sodium thiosulfate- Ammonium Thiosulphate
- Potassium sulfite solution 45% (P
- Ammonium bisulphite solution 70%
- Sodium metabisulfite
- Vat dyes and intermediates
- Vat red F3B
- Vat red 54#
- Vat red FBM
- Vat blue 66#
- 1-nitro-2-methyl-anthraquinone
Nantong Yuchen Chemical Co., Ltd. was founded in June 1979. The company adheres to tenet of "quality first, customer top", implements modern enterprise system and operation philosophy, and takes scientific management and introduction of talents seriously, thus it has been rated as advanced village and town chemical enterprise of China, and advanced enterprise for environmental protection in Jiangsu province. The company can offer satisfactory products and services by implementing ISO9001:2000 Quality Management System. Based on product R&D center, two pilot workshops, advanced inspection instruments, expert grade technical adviser, the company is capable of customizing high-grade, precision and advanced products for customers at home and abroad.
Our quality policy is integrity top, customer satisfaction: consciousness of innovation, continuous improvement. The output and quality of sodium thiosulfate and ammonium thiosulphate occupy leading position in China. Pharmaceutical and pesticide organic intermediates are highly praised by customers.
Our clients—our products are sold well in China, as well as in countries and regions such as America, Japan, Germany, Italy, South Korea, Thailand, Singapore, Taiwan, Hong Kong, etc. Our company has become one of the excellent suppliers for Eastman Kodak in China.
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