厂家批发 高品质活动铅笔配件简易铅笔机芯（0.5mm 0.7mm 0.9mm)

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1:名称 铅笔简易机芯

2:材质 环保ABS / PP

3:规格 0.5mm 0.7mm

4:铅芯 HB

5:特点：此机芯安装简单方便，价格低廉，深受广大客户好评。