描述
Product Features
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Metal Body: Premium metal material, sturdy, wear-resistant and durable for long-term use.
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Reusable & Cost-Effective: Reduces waste, more economical than disposable pens.
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60U Adjustable Dose: Precise control, meeting different usage needs safely.
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3ml Compatible: Fits standard 3ml cartridges, widely applicable.
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Waterproof & Leak-Proof: Tight sealing, dust-proof and easy to store.
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Easy Operation: No professional skills required, suitable for home use.
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Bulk Supply: Factory-direct, stable stock for wholesale business.














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