OK Kosher makes many visits by qualified, trained mashgichim regularly throughout the year to supplier sites across the country. This is to verify the kosher status of their products for our certified clients to be able to buy approved and supervised ingredients from them. Bulk liquid shipment, often referred to as ISO tank shipment, of vegetable oils is also quite common in this industry. This is a central piece of any kosher certification of oleochemicals, as the status of the tankers ultimately affects the kashrus of the end product.
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