Reasonable mold design structure and shaping crafts,could adapt to producing many different specifications of single color ,multicolor and soft&hard co-extruding penholder and pen core product.

• 合理的模具设计结构及成熟的押出成型工艺，适应生产多种规格的单色、多色及软硬共挤笔芯、笔杆产品。