Purchase Qty. Reference FOB Price
1-24 Tons US$950.00
25-99 Tons US$920.00
100+ Tons US$890.00
Product Description
1. What's the difference between food-grade and industrial-grade products? A: Food-grade products are FDA/GB certified, with higher purity (e.g., magnesium sulfate ≥99.5%) and strict heavy metal limits. Industrial-grade products meet primary content standards (e.g., ≥98%) but do not require ...