hebei guangrui bioproducts co., ltd. is a professional engaged in industrial grade glycine, food grade glycine, pharmaceutical grade glycine, ferrous glycine, magnesium glycine, zinc glycine, lysine hydrochloride, guanidine acetic acid, βcarotene and lycopene manufacturers, their products are best sold nationwide, mainly sold to hebei, shandong, zhejiang, shanghai, shaanxi, henan, hubei, guangzhou and other places.
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