OHC Osthandel Chemie GmbH

Dye-chem international headquartered in Charlotte, NC USA was founded in 1988, since we have strived to meet the requirements of our customers through an understanding of their individual needs. We are a leading manufacturer of wide range of dyestuff

corosys Prozeßsysteme und Sensoren GmbH was founded at the end of 2001 by partners with extensive experience in the field of process engineering in the beverage and chemical-pharmaceutical industry. The focus was and is the development and s...

Nanjing Yinqi Bioengineering Co., Ltd. is a professional supplier of high-quality chemicals, providing a variety of high-quality chemical products year-round. The company's products mainly include antioxidants, phenols, sulfonated phenol derivatives,