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Shanghai richem company is located in the "financial center of China" - Shanghai, with superior geographical location and convenient transportation. It specializes in ODS (ozone depleting substances) replacement and is committed to the replacement technical services and sales of Freon series products. Committed to environmental protection science and technology. We take science and technology as the guide, gather the advantages of each family, create our own image, base ourselves on today's powerful forest with real products and simple business style.            The company adheres to the enterprise tenet of "science and technology for development". With the rapid development of China's modern economy, the company actively exerts its own advantages and devotes itself to scientific and technological innovation. Various kinds of precision cleaning agents are applied to PCB cleaning, metal and its parts cleaning, LCD cleaning, precision cleaning (including electronic devices, optical components, aerospace equipment and devices , medical equipment parts, plastic parts, etc.), used to remove grease, wax, rosin flux, fingerprint sweat, particles and many other fields, well received by the majority of users!            We will adhere to continuous self-improvement, with preferential prices and high-quality after-sales to serve users wholeheartedly, to achieve win-win cooperation.