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The first time know ding wei the latest development of chemical industry

Our company has obtained two patents again

Time:2021.03.10 Views:64

This time obtained two patent names respectively: a ammonia exhaust gas ammonia stripping absorption preparation of ammonium sulfate device and a low temperature freezing method to recover inorganic salt in β salt mother liquor device, for the company's redevelopment to provide a strong scientific and technological support