ISB Watertec GmbH
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The institute has been engaged in the research of photosensitive materials for nearly 50 years, and has made brilliant achievements in the research and development and production of sensitizing dyes, color couplers and various additives.
GE Analytical Instruments manufactures highly sensitive state-of-the-art instruments for simpler, faster, and more accurate analytical measurement and is the world’s leading manufacturer of Total Organic Carbon (TOC) Analyzers. Applications for the c
Henan Qing'an Chemical High tech Co., Ltd. is a technology-based limited liability company approved by the Henan Provincial Government and registered with the Provincial Administration for Industry and Commerce. It is recognized as a "National Key Hi