The differences between Niu Tianxia and Niulanshan are as follows:

1. Brand background: Niu Tianxia and Niulanshan are different alcohol brands. Niu Tianxia is a well-known trademark recognized by the State Administration for Industry and Commerce of China and is a high-end liquor brand owned by China Yanghe Co., Ltd. Niulanshan is a well-known liquor brand owned by Hubei Laojiao Group Co., Ltd. The companies and historical backgrounds of the two brands are different.

2. Wine positioning: There are differences in market positioning between Niu Tianxia and Niulanshan. As a high-end liquor brand, Niu Tianxia focuses on the high quality and unique taste of its products, and pursues higher quality and cultural connotation. Niulanshan, on the other hand, targets the mid-to-high-end market, focusing on cellaring techniques and traditional techniques, and emphasizing the mellow taste and unique flavor of its products.

3. Product series and styles: Niu Tianxia and Niulanshan both have multiple product series and different styles of liquor for consumers to choose from. Each brand has its own unique product formula, technology and taste characteristics to meet the needs and taste preferences of different consumers.

4. Price difference: Due to differences in brand positioning and product quality, the product prices of Niutianxia and Niulanshan are different. Products from high-end brands tend to be relatively expensive, while products from mid- to high-end brands are relatively moderately priced.