石墨铅芯

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强度好，不易断，提高成品率

 Strong Strength, improve the rate of finished products 

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铅笔芯拥有防伪标识专利

可打防伪标识，防止仿冒

We have anti fake mark printing patent, which can be used for

anti-counterfeiting label to prevent counterfeiting 

指标稳定，质量有保障  

Guaranteed quality with stable index

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严格的品质控制，品质保障

Strict quality control and quality assurance

所有产品符合EN71-3, EN71-9,ASTM F963-11, MSDS,LHAMA,
SVHC,PAHS, REACH检测标准，

并已通过ISO9001质量体系认证和 Bureau Veritas第三方机构验厂

——关于我们——

about US