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Volume discounts
- Reagent kits, TLC purity kits and single reagent bottles: 5–29 pcs −25%, from 30 pcs −40%
- Single-use reagent tests: 10–99 pcs −25%, from 100 pcs −40%
- Accessories and health products: 5–29 pcs −10%, from 30 pcs −20%
- Quantities count per category, so mixed products add up to the same tier