Sinrylion: China's Top Polyester Twisted Yarn Manufacturer

Sinrylion’s Industry Experience and Professional Advantages

• ▸Company History and Industry Experience: Sinrylion (Jinjiang Xinglilai Yarn Co., Ltd.), founded in 1983, has over 40 years of experience in producing polyester twisted yarn. With decades of expertise in textile manufacturing, the company has accumulated strong skills in production technology, quality management, and customer service, consistently delivering high-quality polyester twisted yarn to domestic and international clients.
• ▸Production Equipment and Capacity: The company operates more than 400 advanced production machines, including around 200 high-precision twisting machines. These machines ensure uniformity and stable twist in the yarn. Sinrylion produces approximately 2,000 tons of high-grade polyester yarn and 8,000 tons of standard polyester yarn annually, meeting both large-scale and small-batch orders. High automation reduces human errors and improves efficiency and product consistency.
• ▸R&D and Testing Capabilities: Sinrylion owns a dedicated R&D center and testing laboratory equipped with modern instruments for testing yarn strength, breakage rate, uniformity, and color consistency. The R&D team continuously optimizes twisting techniques, enhancing yarn functionality and variety, ensuring stable performance for every batch.
• ▸Quality Certifications and International Standards: The company is certified with ISO9001, standardizing production and management processes, and Oeko-Tex Standard 100, ensuring yarn is free from harmful substances and compliant with international environmental and safety standards. These certifications reflect authority and enhance client trust.
• ▸Customer-Friendly Services: Sinrylion supports small-batch orders for first-time cooperation or trial production and provides free samples so customers can verify yarn performance, feel, and color. The company responds efficiently to customer needs and adapts to different specifications and twist levels, demonstrating professional and attentive service.

Basics and Applications of Polyester Twisted Yarn

• ▸What is Polyester Twisted Yarn: Polyester twisted yarn is made by twisting polyester filament or staple fibers. Twisting multiple strands together increases strength, elasticity, and visual texture. The process improves wear resistance and anti-breakage performance, giving fabrics a unique feel and appearance.
• ▸Twisting Principles and Types: Twisting types include single-direction twist (S or Z) and complementary twist (double-direction or mixed). Single-direction twisted yarn is suitable for soft fabrics and regular textiles, while complementary twist improves stability and tensile strength, ideal for high-strength fabrics. Twist levels are categorized as light, medium, or heavy, chosen according to product needs.
• ▸Applications of Polyester Twisted Yarn: Polyester twisted yarn is widely used: high-end textiles such as suits, curtains, and home textiles require uniform yarn with smooth feel; clothing like sportswear and functional apparel requires elastic, durable yarn; home textiles like bedding, sofa fabrics, and decorative fabrics need durable and color-stable yarn.
• ▸Technical Parameters and Performance Metrics: High-quality twisted polyester yarns are strictly controlled for yarn strength, breakage elongation, fiber uniformity, and colorfastness. Sinrylion applies rigorous testing using modern instruments to ensure consistent performance across batches.

Sinrylion’s Production Process and Techniques

• ▸Raw Material Sourcing and Selection: High-quality yarn starts with premium materials. Sinrylion sources polyester filaments or staple fibers from reputable domestic and international brands. Incoming fibers are rigorously tested for length, strength, and impurities, ensuring compliance with production standards.
• ▸Pre-Treatment and Testing of Polyester Yarn: Before twisting, yarn undergoes warping, sizing, and pre-stretching to improve uniformity and surface smoothness. Pre-treated yarn is then checked for tension, twist, and color to ensure it meets standards before entering the twisting stage.
• ▸Detailed Twisting Process: Production involves aligning strands, twisting on machines, heat-setting, and post-processing. Twist direction and level are adjusted according to product requirements. Heat-setting stabilizes the twist, enhancing durability. Post-processing includes drying, winding, inspection, and packaging to ensure compliance with client standards.
• ▸Process Optimization Tools and Methods: Automated twisting machines increase efficiency and reduce errors. Temperature and humidity control maintain stable twist and tension. Real-time tension monitoring ensures uniform yarn without inconsistencies.
• ▸Finished Product Inspection: Every batch undergoes strength testing, breakage rate evaluation, fiber uniformity assessment, twist consistency, and color difference analysis. Data is recorded for traceability, ensuring high-quality delivery.

Are you looking for affordable polyester twisted yarn? You have come to the right place. We are committed to providing our customers with quality products and the best value. Your satisfaction is our motivation. Send an email to janekwok@xll-group.com today and our manufacturer will be happy to serve you.

Quality and Certification Assurance

• Importance of ISO9001 and Oeko-Tex Standard 100: ISO9001 ensures strict standardization across production, management, and service, driving continuous improvement. Oeko-Tex Standard 100 guarantees yarn is free of harmful substances and meets international environmental and safety standards.
• Key Quality Control Points: Fiber uniformity checks prevent defects in fabric. Strength and breakage tests ensure durability. Color and feel inspections guarantee consistent color and comfortable texture across batches.
• Data Management and Continuous Improvement: Sinrylion tracks production from raw materials to finished products using a data management system. Regular analysis of test data allows continuous process optimization, reducing defects and improving customer satisfaction.
• Client Satisfaction and Reliability Cases: Long-term international clients report stable performance of Sinrylion’s polyester twisted yarn in high-end and functional fabrics, demonstrating the company’s professional expertise and reliability.

Common Questions and Practical Tips

• ▸Storage and Maintenance of Polyester Twisted Yarn: Avoid humid environments to prevent deformation or mildew. Keep away from direct sunlight to prevent color fading and aging. Store yarn vertically on spools to maintain uniformity.
• ▸Selecting the Right Twist Yarn: Choose twist level according to usage: light twist for soft fabrics, heavy twist for high-strength textiles. Consider yarn specifications and fiber length to meet final product performance. Conduct small-batch sample tests to verify feel, strength, and appearance.
• ▸Quick Solutions for Quality Issues: Minor yarn breakage can be repaired manually or rewound. Color differences can be addressed by replacing with same or close batch yarn, or adjusting in dyeing/finishing. Uneven twist can be corrected with heat-setting or light twist adjustment.
• ▸Communication Tips with Suppliers: Clearly specify yarn usage, fabric type, and performance requirements for precise recommendations. Test small batches first to minimize risk. Building long-term relationships ensures stable supply, priority service, and better pricing.
• ▸Balancing Small-Scale Trial Production and Large-Scale Manufacturing: Start with small-batch trials to verify yarn performance and production process. Optimize twist, tension, and heat-setting based on trial results. Then scale to large production to ensure quality stability, efficiency, and reduced waste.