Extreme cold. Blankendaal Coldstores has made it their profession. With temperatures as low as -20°C, they can keep your products in optimal condition and deliver them to you exactly when you need them. Their refrigerated warehouses in Tuitjenhorn, Velsen and Ridderkerk have almost 125,000 pallet spaces of storage for really everything that the modern convenience consumer wants to see in the freezer compartment of his or her supermarket.