BYS Chem is a manufacturer of fine chemicals, building blocks and pharmaceutical intermediates for biotech companies. We offer various heterocyclic compounds including indoles, imidazoles, pyrazoles, pyridazines, pyridines, pyrimidines, pyrazines, ...

HeBei Yaben Chemicals Co. Itd is a professional manufacture in chemical field,specializing raw material.We are also good at exporting the technology business.Our mainly product include organic and inorganic chemistry,dye so on,which have performance ...

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Jiangsu Tetrachem Co., Ltd. is specialized in research, production, marketing and technical service on fine chemicals custom China, with the main product lines of epoxy resin intermediates, pharmaceutical catalysts various auxiliaries, etc.Tetrachem ...

TIANJIN LONG XIANG YUAN IMPORT & EXPORT TRADING CO.,LTD. is located in Tianjin, China. We constant efforts to serve our customers with Consistent quality, Competitive price, Punctual Shipment, Strictly after-sales quality trace. Paying more attention ...

SiRongchem is one of the world leading suppliers high-performance life-science reagents and reference compounds for non-clinical research fields. We are fully dedicated focused on complex biochemicals aiming to provide most innovative range at ...