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Leading manufacturer of Polyester DTY, Dope-Dyed Color DTY, Recycled Nylon DTY, and Dyeing Auxiliaries. With over 40,000 tons annual production capacity, we serve global markets across Asia, Europe, Africa, and South America.
Hangzhou Keyi Advanced Materials Co., Ltd. is a professional manufacturer specializing in synthetic fibers and chemical auxiliaries for the textile industry. We produce high-quality Polyester DTY (Drawn Textured Yarn) including raw white, black, bleached, and custom-colored variants using dope-dyeing technology.
Our product line also includes Recycled Nylon DTY and a full range of Dyeing Auxiliaries such as softeners, lubricants, and bulking agents. With an annual production capacity exceeding 40,000 tons, we ensure consistent supply and strict quality control.
Since 2021, we have expanded into international markets, exporting to countries in Europe, Asia, North Africa, and South America. We welcome global partners and distributors seeking reliable, sustainable textile solutions.
Premium Quality Fibers & Chemicals for the Global Textile Industry
High-tenacity textured polyester yarn in raw white, black, and bleached finishes. Ideal for weaving, knitting, and industrial applications.
Eco-friendly colored yarn produced via dope-dyeing process. Saves water and energy compared to traditional dyeing methods.
High-performance nylon textured yarn made from virgin or recycled raw materials. Offers superior elasticity and durability.
Specialty chemicals for textile processing including softeners, lubricants, leveling agents, and bulking additives.
We offer OEM color development services using dope-dyeing technology to match Pantone or customer-provided samples.
High-strength, heat-resistant DTY for technical textiles, automotive interiors, and industrial sewing threads.
Sustainable fiber solutions made from post-consumer or post-industrial PET and nylon waste.
Comprehensive range of auxiliaries for dyeing, finishing, and fabric treatment processes.
Trusted by Global Partners for Quality, Innovation, and Reliability
Large-scale production ensures stable supply and competitive pricing for bulk orders.
Products exported to Europe, Asia, Africa, and South America with reliable logistics.
Dope-dyeing and recycled materials reduce water, energy, and environmental impact.
Strict QC protocols and consistent batch-to-batch performance.
Dope-dyed DTY is colored during the polymer extrusion process, resulting in superior color fastness and reduced environmental impact compared to piece-dyed yarns.
Yes, we produce high-quality recycled nylon DTY from post-consumer and industrial waste, available with GRS certification upon request.
Absolutely. We provide OEM color development using dope-dyeing technology to match Pantone or physical samples.
Our products are exported to Europe, Asia, North Africa, and South America. We work with distributors and direct buyers worldwide.
Please visit the official website or contact us directly via WhatsApp or phone to request product samples and technical specifications.
For inquiries, samples, or partnership opportunities, contact Hangzhou Keyi directly.
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