市场竞争的有效形式是产品竞争，而产品竞争主要表现在产品的款式、使用性能、功能性、价格及顾客的吸引性（新颖性）等。因此设计开发新产品是争夺市场一席之地的重要手段，已引起制笔业各级领导的高度重视。但是，与笔类产品设计开发息息相关的制笔注塑模具的设计和制造在很? The effective form of market competition is product competition, and product competition mainly in the product style, performance, functionality, price and customer attractiveness (novelty). Therefore, the design and development of new products is an important means to compete for a place in the market, which has aroused great attention from leaders at all levels of the pen industry. However, pen products related to the design and development of pens injection mold design and manufacture of very?