We specialize in HG of all spec, mainly use for fire-resistant materail and architecture material. Regarding to your request of HG for fertilizer, we are not sure which one.

• 我司对外供应各种规格的HG，一直以来做耐火材料和建筑材料来用。贵公司所要求肥料用HG，我们不很清楚是哪一种，请告诉我你们要求的大致规格，我们方便报价。