（1）Most complete production chain in China;

（2） One and only manufacturer won State Science and Technology Advancement Award, second class;

（3）One and only manufacturer won Chinese outstanding patented invention for synthesis technology;

（4）Unique clean production technology listed under national 863 program;

（5）High purity: sulfotep 0.3% max, up to the standard of FAO; Good looking, pale brown to white crystal;

（6）Good solubility;

（7）Stable supply ensured.