Hebei Saishi Co., Ltd., founded in the year of 2008, is located in the Luancheng Mengdong industrial Zone in Hebei Province, covering an area of 12000 square meters. Our main products are: (the oil level, coking, steel grade level, cyanogen uric acid level) ammonium sulfate powder and granules, ammonium chloride powder and granules, magnesium sulfate, cloud strong brand fertilizer, Zheli brand fertilizer, organic fertilizer etc.And now magnesium sulfate can product 2000-3000 tons/ month, ammonium sulfate can product 4000-5000 tons/...