Magnesium makes human healthier, nature fresher
Magnesium makes the world a better place
Medium and trace element fertilizer:
Specific indicators are as follows: W-MgO 14%min
W-MnO 0.4%min
W-B2O3 0.05%min
S-SiO2 8.0%min
Granules,2-4mm,hardness above 5kg/cm2
