Manufacturer of fine-chemical and pharmaceutical intermediates in China. Products include tetrazoles and other heterocyclics, selenium and sulfur compounds, biphenyls and phenylamines, dyes, and metal complexes.

Fine-chemical producer in China whose products include a series of plant growth regulators, a few bulk drugs, and a range of phenylboronic acid derivatives and other intermediates.

Producer of aminoguanidine derivatives for use as fine-chemical intermediates, located in China.