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Directly-operated factory: Integrated production management from spinning → twisting → dyeing → winding (with a comprehensive quality traceability system).
Made from high-quality polyester raw cotton sourced from Japan.
Boasts the largest number of shades—500 colors—among Japanese-brand products. Full-color inventory management at our Shanghai logistics warehouse.
To ensure excellent sewability, a special silicone oil technology from Japan has been employed (with thorough removal of excess silicone oil). This effectively prevents the phenomenon of silicone oil seeping out onto the fabric.
Obtained Oeko-Tex’s highest-level eco-certification: CLASS I
Quality control conducted by dedicated Japanese technicians.

Directly-operated factory: Integrated production management from yarn twisting → dyeing → winding (with a comprehensive quality traceability system)
Made with high-quality polyester long fibers from Japan.
Shanghai logistics warehouse full-color in-stock management.
To ensure excellent sewability, Japanese silicone oil was used. This effectively prevents the silicone oil from seeping into the fabric.
Obtained Oeko-Tex’s highest-level eco-certification: CLASS I
Quality management conducted by dedicated Japanese technicians.

Directly-operated factory: Integrated production management from yarn twisting → dyeing → winding (with a comprehensive quality traceability system)
Made with high-quality polyester long fibers from Japan.
Shanghai logistics warehouse full-color in-stock management.
To ensure excellent sewability, we have adopted a special silicone oil technology from Japan (silicone oil absorption). This effectively controls the occurrence of silicone oil seeping out onto the fabric.
Features stable shape and a remarkable anti-down migration effect.
Obtained Oeko-Tex’s highest-level eco-certification: CLASS I
Quality management conducted by dedicated Japanese technicians.

<“LOGOS” Long-Fiber Polyester Elastic Sewing Thread>
Directly-operated factory: Integrated production management from dyeing to winding (with a comprehensive quality traceability system)
Made with high-quality polyester long fibers from Japan.
Shanghai logistics warehouse full-color in-stock management.
To ensure excellent sewability, Japanese silicone oil was used. This effectively prevents the silicone oil from seeping into the fabric.
Compared to nylon, it exhibits resistance to yellowing.
Obtained Oeko-Tex’s highest-level eco-certification: CLASS I
Quality management conducted by dedicated Japanese technicians.

In addition, we also offer a variety of “functional sewing threads.”
We have international sales outlets in China, Japan, Vietnam, Indonesia, and other regions.
To cater to the low-price domestic product line, we have established a second brand, “JET CROWN,” which offers short-fiber sewing thread (special dyeing).

Keywords:

Diamond Brand [Polyester Sewing Thread]

■ Elastic sewing thread designed for highly stretchable materials—further enhanced by careful consideration of its compatibility with both fabric and upper thread—has given rise to the polyester elastic sewing thread “Kou Gosu.” Featuring polyester’s outstanding properties and ideally tailored elasticity, this thread further elevates the value of finished products. ◎ The color matching with the upper thread (short fibers or filaments) uses the same shade number, making color coordination simple. ◎ Compared to nylon, it exhibits superior resistance to yellowing. ◎ Compared to nylon, it offers greater cost-effectiveness. ◎ Excellent heat resistance and exceptional sewability. ◎ Outstanding chlorine resistance, making it the ideal stitching thread for swimwear and other such garments.

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