Practical buying guides to define your requirements, compare equipment and prepare a clearer manufacturer enquiry.
BUYING GUIDE · 2026-11-04
How to decode CN patent numbers, tell inventions from utility models, check legal status on CNIPA, Google Patents and Espacenet, and what a patent proves.
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What a maker profile tells you: who the company is, what it publishes, where each detail comes from and when it was checked, and who manages the page.
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How two-for-one twisting, direct cabling and assembly winding differ, which products each suits, and what to specify and test when buying plying machinery.
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Buying a stenter or knit opening line from China: pin vs clip chains, overfeed and shrinkage, heat setting, heating media, weft straightening, exhaust, safety and trials.
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How random, precision and step-precision (digital) winding differ in winding ratio, wind angle, ribbons and density, and what to specify when buying a winder.
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How to read multi-head embroidery specs: heads, needles, head spacing, per-head and total field, cap frames, speed vs output, attachments, DST files and stitch-out tests.
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