Conventional sodium sulfate (GB/T6009-2003 standard), neutral sodium sulfate (PH6-8), low calcium and magnesium sodium sulfate (calcium and magnesium 100ppm), low chloride sodium sulfate (0.08% chlorine), high Purity sodium sulphate (99.5% min), Glauber's salt and other medicinal. Plant enzymes: various color particles, alkaline protease (0.5-5 million units), neutral protease (0.5-5 million units), etc.