m/s shanghai bayue chemicals co.,ltd is spec to develop,produce and sell phosgene derivates in China.we have own r&d center and we have good cooperation with many famous phosgene plant.we have developped,produced many spec phosgene derivates like 2-phenylethyl isocyanate,ethyl isocyanate,n-pentyl chloroformate,1-chloroethyl chloroformate and most o… More
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