After-sales repair
To build a century-old brand and the most reliable sewing brand in the world
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Single-tool post positioning
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Electrical Control Encoder Angle and Upper Stop Pin Position Adjustment
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Encoder angle and upper needle stop position adjustment
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Maintenance and Operation of Flatbed Sewing Machines (610)
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S620
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S610
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A0303-T2
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A3900
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A7
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The lower buckle is unstable.
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下扣轨道过扣不稳
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The buckle is not secure.
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