Central Glass Group has developed the fertilizer business based on our initial business of ammonium chloride.
Group company Central Chemical Co., Ltd. is engaged in the manufacture of such ammonium chloride-based fertilizers as the NPK compound fertilizer with ammonium phosphate and potassium chloride, NK fertilizer C series with potassium chloride.
We are also manufacturing coated fertilizers “Cera-coat R”, which timely deliver the appropriate amount of ingredients to crops, as well as organic fertilizers. These products are sold through the nationwide JA (Japan Agricultural Cooperatives) group network.

  • Coated Fertilizer

    Cera-coat R is a controlled release fertilizer coated with a polyurethane resin mainly originated from a vegetable oil, and available in 11 brands, ranging from 15 to 130 days. In combination with NK, NPK compound and organic fertilizers, Cera-coat R is widely used as a labor-saving fertilizer.

  • Chemical Fertilizer

    Research has demonstrated that ammonium chloride and NK, NPK compound fertilizers containing ammonium chloride are extremely effective in terms of growth stability, high yield, lodging reduction, root rot mitigation, promotion of photosynthesis, and in improving both taste and quality of corps.


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Central Chemical Co., Ltd.

Business hours: 9:00 a.m. - 5:30 p.m.

※Except Saturdays, Sundays, public holidays, August 15, and seasonal holiday periods.