Ammonium sulphate manufacturer for granule it can be a state-owned enterprise in China or a private enterprise. Most of them are private enterprises---ammonium sulphate factory.
Because for granule, it’s raw material is crystal. After obtaining the crystals through bidding, the ammonium sulphate manufacturer compresses and granulates them in their own factory before packaging them.So that , for ammonium sulphate granule, it can customized package from ammonium sulphate factory, the MOQ is one 20GP of black words.