Polyester staple fiber: used to cover polyester filament, providing low shrinkage function and enhanced tensile strength.
Polyester filament: as the core wire, enhancing the strength and durability of the overall wire.
Cotton fiber: used to cover polyester filament, providing a soft feel and good sewing appearance.
Alloy powder: used for steelmaking core-spun wire, including silicon-calcium alloy, silicon-manganese-calcium wire, silicon-calcium-barium wire, barium-aluminum wire, aluminum-calcium wire, calcium-iron wire, pure calcium wire, etc., used for deoxidation, desulfurization, alloy addition, etc. in steelmaking and casting processes.

