A leading manufacturer of research chemicals, metals and materials including high purity inorganics, organics and organometallics, precious compounds and catalysts, rare earth compounds and metals, labware and more.
URL: http://www.alfa.com/en/product/a13324 in English [Translate]
We are a High-tech company specialized in developing, manufacturing and marketing of chemical products in the fields of medicine, pesticide,spice,dyes,etc.In the past years,Sinon supplies chemical products to customers covers all over the world.
URL: http://www.whsinon.com in English [Translate]
Our company is specialized in producing the dyestuff intermediates.The main products are: P-Phenylenediamine, P-Phenylenediamine Hydrochloride, P-Phenylenediamine Sulfate, Antioxidant DNP, P-Phthaloyl Chloride, M-Phthaloyl Chloride, etc..
URL: http://www.kaiyuan-chemical.com/ in English [Translate]