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Laizhou Zhongda Chemicals Co., Ltd.
China
we are specialized in the manufacture and sales of sulfamic acid, magnesium sulphate, magnesium sulphate fertilizer, ammonium sulfamatef, guanidinesulfamate and guanidine hydrochloride etc.
We are manufacturer and exporter of carbon black which used in rubber such as nano-carbon black, N220, N219, N330, N339, N375, N660, N550, N234, N774etc.