Wholesale conveyor roller purchasing requires more than comparing unit prices and nominal sizes. This guide helps distributors and importers build practical roller SKU ranges, distinguish repeatable stock items from project-specific products, evaluate MOQ, plan safety stock and container orders, manage private-label packaging, and protect repeat-order consistency. It also explains which roller dimensions and technical details should be controlled before stocking, how replenishment time affects inventory, and what information to include in a distributor RFQ.