About Us

Who We Are

Leading Polyester Yarn Manufacturer in China

Sinatay Yarn Company (浙江信泰文化有限公司) is a professional manufacturer and supplier of high-quality polyester yarn headquartered in Hangzhou, Zhejiang Province, China. Founded in 2008, we have grown to become one of the most trusted names in the textile yarn industry.

Our product range includes Polyester DTY (Draw Textured Yarn), FDY (Fully Drawn Yarn), and POY (Pre-Oriented Yarn), serving customers in over 50 countries worldwide. We specialize in producing yarn for various applications including knitting, weaving, warp knitting, and industrial textiles.

Our Mission

To deliver premium quality polyester yarn at competitive prices while building long-term partnerships with customers worldwide through reliable service and consistent quality.

Our Values

What We Stand For

Quality First

We never compromise on quality. Every batch of yarn undergoes rigorous testing to ensure it meets international standards.

Integrity

We believe in transparent communication and honest business practices. Your trust is our most valuable asset.

Innovation

We continuously invest in research and development to improve our products and meet evolving market demands.

Customer Focus

Your success is our success. We work closely with customers to understand their needs and provide tailored solutions.

Our Facility

State-of-the-Art Manufacturing

Our manufacturing facility spans over 20,000 square meters in Hangzhou, equipped with advanced European and Japanese spinning machinery. We operate 12 production lines with an annual capacity of 15,000 metric tons.

Our facility includes fully automated production equipment, in-house testing laboratories, and modern warehousing to ensure consistent quality and efficient operations.

20,000m²

Factory Area

Production Lines

15,000

Metric Tons/Year

100+

Employees

Quality Assurance

Rigorous Quality Control

Every step of our production process is monitored to ensure consistent, high-quality output that meets international standards.

Raw Material Testing

All incoming raw materials are tested for quality parameters before entering production.

Process Monitoring

Real-time monitoring of production parameters ensures consistency across all batches.

Final Inspection

Comprehensive testing of finished products including strength, elongation, and color consistency.

Certificate Verification

Each shipment includes quality certificates and test reports for customer reference.

Packaging Control

Proper packaging ensures safe transportation and storage of our products.

Traceability

Complete production records allow us to trace any issue back to its source.

Certifications

Internationally Recognized Standards

We maintain various international certifications to ensure our products meet global quality and environmental standards.

ISO 9001:2015

Quality Management System

Our quality management system ensures consistent quality and continuous improvement across all operations.

Oeko-Tex Standard 100

Textile Safety

Our Oeko-Tex certified products are tested for harmful substances, ensuring they are safe for human use.

GRS

Global Recycled Standard

GRS certification verifies the recycled content and responsible social and environmental practices.

Our Journey

Company Milestones

2008

Company Founded

Sinatay Yarn Company established in Hangzhou, starting with 2 production lines.

2012

First Export

Started international business, first shipments to Southeast Asia markets.

2015

ISO Certification

Achieved ISO 9001:2015 certification and expanded to 8 production lines.

2018

Global Expansion

Reached 50+ countries served, added Oeko-Tex certified product lines.

2021

Facility Upgrade

Completed major facility expansion with new automated production lines.

2024

GRS Certification

Obtained GRS certification, launching sustainable recycled yarn products.