OPTICAL WHITE SD SERIES and DD BLACK SD SERIES, made from premium Polyester DTY, are essential foundational materials in modern textile production. The Optical White Series offers a brilliant, pure whiteness, consistent quality, and a range of specifications, making it the perfect choice for products requiring high whiteness standards, such as luxury shirts and elegant home textiles. The Black DTY Series, available from 75D to 600D, comes in Deep Black and Standard Black, with customizable black intensity to meet specific customer requirements. Both series are core product lines of our company, valued for their stable performance, color consistency, and reliable supply. Ideal for apparel, home décor fabrics, linings, and fashion textiles, these yarns provide manufacturers with versatile, high-quality options for creating products that emphasize clean brightness or deep, elegant darkness. With durability, rich texture, and visual clarity, they deliver the perfect foundation for excellence in textile creation.