Different raw materials and different application scopes.

1. Raw materials. The raw material of rapeseed oil for hot-dry noodles is rapeseed, and the raw material of salad oil is soybeans and rapeseed.

2. Scope of application. Rapeseed oil for hot-dry noodles is suitable for stir-frying. Salad oil has removed most of the impurities and is suitable for cold dishes.