About us

Dafeng Jingyuan Fine Chemical Co., Ltd. is located in the model chemical park in the yellow sea economic development zone. The company focuses on the commercial and custom production of pharmaceutical intermediates and has provided excellent service and products for global pharmaceutical companies.

Production capacity

The company covers an area of 67,000 square metersand has6 individual workshops including pilot workshop,DCS controlled hydrogenation workshop, and dedicated brominated series products workshop. Our bromine workshop has an annual capacity of 2000 metric tons and further expansion of production capacity is in progress.

Reaction Temperature:          -20℃~250℃
Reaction Pressure:          ~1MPA

6 Rectification Units (Maximum Separation Effect: 50?~ 60 Rectify Plates)

Reactor type Reactor volume Total reactor volume
GL 0.05~10m3 330m3
SUS 0.05~10m3 80m3
Hastelloy 2m3 2m3

We have more than 28 years experiences in lab synthesis, piloting and commercialized manufacturing.

  • Oxidation
  • Hydrogen
  • Halogen
  • Nitration

  • Cyclization
  • Acylation
  • Condensation
  • Esterification

  • Sulfonation
  • Diazotization
  • Synthesis
  • Grignard

  • Transferring lab process to commercialized production on different scales to meet requirements of different customers

    Continue optimizing process in the production to reduce emission and improve product quality further

    Quality Assurance
    •   An area of 5,000 m2WWTP capable of treating 1100 metric tons waste water per day
    •   Collected solid wastes sent to accredited disposal company for proper treatment
    •   Nitrogen protection for all reactors
    •   Explosive- proof& pressure relief system
    •   Advanced air exhaust and off-gas absorption systems
    •   Regular trained emergency rescue team to work with local fire station
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