技术指标：

Zn························≥7.2%

Fe·························≥4.3%

B···························≥3.5%

EDTA-Zn··············≥0.8%

EDTA-Fe··············≥0.6%

EDTA-Cu············≥0.03%

EDTA-Mn···········≥0.03%

EDTA-Mg···········≥0.06%

规格：2kg*10包/箱