Sulfur S.A.

Our engineers with their years of experience in the development of optical systems and optical measurement services ensure the opsira GmbH being a competent partner for your optical innovations. opsira GmbH engineers develop and optimize you...

Quimetal Industrial S.A. is a well-known Chilean company dedicated to the manufacturing of industrial and agricultural chemicals based on copper, sulfur, molybdenum, magnesium and aluminum. With more than 60 years of experience in the production of c

A comprehensive enterprise that produces pharmaceutical intermediates and chromatographic and analytical grade chemical reagents; Integrating research and development, customization, production, and operation; We have our own laboratories at Nanjing