After-sales repair
To build a century-old brand and the most reliable sewing brand in the world
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Dual-knife tool holder positioning and stepper crank positioning
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Dual-step thread-cutting distance test adjustment
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Two-step thread-cutting angle adjustment
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Dual-step encoder angle and upper stop pin position adjustment
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Thread-cutting distance test adjustment
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Thread-cutting angle adjustment
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Adjustment of the stop needle position on the Hulong encoder
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Single-knife toolpost positioning and stepper crank positioning
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Encoder-based needle stop position adjustment
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