- Changzhou Eastsun Chemicals Co., Ltd.
- Diphenylacetonitrile, Bromide, Fluoride, Trifluoromethyl Series, Trifluoromethoxy Series, Indole Series, Pyridine Series, Pyrimidine Series.
- Address:6/F Zhongliang Building
- Biosynth AG
- enzymesubstrates, indole series.
- Address:Rietlistrasse 4 Staad St. Gallen CH-9422 Switzerland
- Chengdu Hanrichem Co Ltd.
- Indole Series, Pyrrolidine Series, Piperidine Series, Diphenyl Series.
- Address:chengdu city chenghua dequan road4#
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