Dimensional change of the sewing thread, known as tension pucker (Amann Group, n.d.-b), results from the high tensions suffered by the sewing threads during sewing, causing them to be stretched in the process.
I have been engaged in textile import and export for 25 years, and have helped nearly 10000 textile enterprises reach a 15 year cooperation agreement with foreign investment from Fortune 500 companies. We are currently planning a cooperation between the sewing thread factory and well-known enterprises such as American & Efird and MH.
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