1. Hengyuanxiang has been developing continuously since its establishment. Therefore, in different time periods and different market environments, it may be necessary to improve or update the original trademark patterns to adapt to the current market changes and brand strategy.

2. Hengyuanxiang is a brand of knitted garments, and its product line covers multiple categories and series. In order to better meet the positioning and market demand of different products, it is reasonable to subdivide and distinguish trademark patterns.

3. In some special occasions, different logo patterns can also express different information, such as some important celebrations or promotional activities. Using different trademark patterns can better attract consumers' attention and enhance the brand's influence and market competitiveness.

In a word, there are many reasons for Hengyuanxiang's trademark design, including the comprehensive effect of enterprise strategy, market demand, product positioning and other factors.