1.microcoputer control 2.high precision 3.save glue 4.unique self-taught ability 5.digital display Characteristic and advantage: 1.suit for any liquids 2.adjustable barrel vacuum suck back ensures control of low viscosity materials to avoid dripping .3.unique self-taught ability.4. 1 year quality guarantee Large rotating surface design, easy to remove. Flexible PP needle good for complicated ...
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