Best way to start zoho inventory with bulk openning stock

Best way to start zoho inventory with bulk openning stock

We are already using zoho book since long time for cars trading company. Now to streamline more, would like to import the excel data of closing stock of inventory to zoho inventory and to start on. Since we need to track each VIN (unique vehicle id number) for the expense allocation and tracking, what's the best way to import the data into zoho inventory?