Guizhou Sino-phos Chemical Co., Ltd. is based in China and lists phosphate and phosphate-based chemicals on Global Trade Plaza. The company offers Di Ammonium Phosphate in tech grade with a main content of 99.0% minimum, P2O5 at 53.0% minimum, nitrogen at 20.8% minimum, moisture no more than 0.2%, water insoluble matter no more than 0.1%, and pH between 7.6 and 8.2, packed in 25 kg PP+PE bags without pallets. It also supplies Sodium Hexametaphosphate (SHMP68) in both tech and food grades. The tech grade carries P2O5 at 68% minimum, inactive phosphate (P2O5) at 7.5% maximum, iron at 0.05% maximum, pH 5.8-7.3, water insoluble matter at 0.05% maximum, arsenic at 0.0003% maximum, heavy metals (as Pb) at 0.001% maximum, and fluoride (as F) at 0.003% maximum. The food grade specifies P2O5 at 68% minimum, inactive phosphate at 7.5% maximum, iron at 0.05% maximum, pH 5.8-6.5, water insoluble matter at 0.006% maximum, with the same limits for arsenic, heavy metals, and fluoride. A third listing is Mono Ammonium Phosphate in tech grade, with assay 99.0% minimum, P2O5 at 61.0% minimum, nitrogen at 11.8% minimum, moisture no more than 0.2%, water insoluble matter no more than 0.1%, pH 4.4-4.8, packed in 25 kg PP+PE bags without pallets and loaded from Chongqing, China. Buyers can send an enquiry through Global Trade Plaza.