Various models and outer packaging of Dutch Cowlan milk powder. Dutch Cowlan milk powder is a high-quality milk powder produced by Dutch Cowlan Company, which happens to be a wholly-owned subsidiary of Dutch Dairy Company. This milk powder is widely used in children\’s milk powder diet and baby food industry around the world. In this article, we will discuss in detail the various models and outer packaging of Dutch cowshed milk powder. 1. Various models of Dutch Niulan milk powder. Dutch Niulan milk powder mainly includes infant milk powder.