By grains per 50 grams — the common grades are 180, 280, 350, 380 and 580. A lower number means a larger berry: 180 is the premium large grade, 580 the smallest. Most retail buyers choose 350 or 380.
Organic is certified for the EU/US organic markets and carries the certificates buyers need at customs. Low-pesticide is tested against stricter residue limits than conventional but without organic certification, at a lower price. Conventional meets standard export limits. We supply all three and state the grade on every quote.
Moisture (≤13%), grain size against the stated grade, admixture, broken rate and pesticide residue. Every lot ships with a certificate of analysis, and we send results before loading on request.
The main harvest in Ningxia runs from June to September, with the summer crop considered the best quality. Lead times are longer during the autumn peak, so orders for Q4 delivery should be placed before the season starts.
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