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Textile Dyeing Refinement Management System v1.0

Certificate No : 软著登字第9750823号

Issuing authority : Copyright Registration of China

Valid period : 2023/10/11 - 2039/12/31

Software for the polyester fabric dyeing

Certificate of Computer Software:Copyright Registration of the People's Republic of China
Certificate No.: Software Copyright Registration No. 9750823
Software Name:Textile Dyeing Refinement Management System v1.0
Copyright Holder: Hangzhou Six Dragon Textile Co., Ltd.
Date of Development Completion: May 16, 2022
Date of First Publication: May 16, 2022
Method of Obtaining Rights: Original Acquisition
Scope of Rights: All rights
Registration No.: 2022SR0796624
In accordance with the provisions of the "Regulations for the Protection of Computer Software" and the "Measures for the Registration of Computer Software Copyright", it is hereby registered after examination by the Copyright Protection Center of China.
The polyester woven fabric dyeing process involves coloring polyester fabrics using various dyeing techniques. Polyester, a synthetic fiber, is known for its durability, wrinkle resistance, and color-fastness.

The dyeing process begins with preparation, where the fabric is thoroughly cleaned and prepared for dye application. This may involve scouring, bleaching, and desizing to remove any impurities or finishes that could interfere with the dye absorption.

Next, the dyeing method is chosen based on the desired result and fabric characteristics. Common dyeing techniques for polyester fabrics include disperse dyeing, exhaust dyeing, and continuous dyeing.

In disperse dyeing, dispersed dyes are used, which are specially designed to dye hydrophobic fibers like polyester. The dye is dispersed in a liquid medium to achieve a fine particle size, enabling it to evenly penetrate and bond with the polyester fibers.

Exhaust dyeing involves immersing the fabric in a dyebath containing the dye solution. The fabric absorbs the dye through diffusion and adsorption mechanisms. The temperature, time, and dye concentration are carefully controlled to achieve the desired color intensity.

Continuous dyeing is a high-speed process used for large-scale production. The fabric is continuously fed into a machine where it passes through multiple dyeing stages, each applying different colors or effects. This allows for the creation of intricate patterns or multicolored designs.

After dyeing, the fabric is rinsed to remove excess dye and then subjected to a washing process to improve color fastness and remove any residual chemicals. Finally, the fabric is dried, inspected, and finished as per the desired specifications.
GRS

Certificate No : 007659

Issuing authority : IDFL LABORATORY AND INSTITUTE

Valid period : 2023/10/11 - 2024/12/15

Global Recycled Standard (GRS)- Version 4.0 -

IDFL LABORATORY AND INSTITUTE
SCOPE CERTIFICATE
Scope Certificate Number: 20-318257
IDFL declares that
Hanghou Six Dragon Textile Co.,Ltd
LICENCE NUMBER 007659
Yifeng Times Mansion of Liangzhu Town,YuhangHangzhou,ZhejiangChinahas been inspected and assessed according to the
Global Recycled Standard (GRS)- Version 4.0 -and that products of the categories as mentioned below (and further specified in the appendix) conform with this standard
Product Categories:Greige Fabrics(PC0026), Greige Yarns(PC0030)Processing steps / activities carried out under the responsibility of the above-mentioned company for the certifiedproducts:Weaving(PR0033),Spinning(PR0027),Trading(PR0030)This Certificate is valid until: 15 Dec.2024
Place and Date of Issue:Hangzhou, 15 Dec.2020
Stamp of Issuing Body:IDFL LicenseNo:GRSIDFL-19
This Certificate of Compliance provides no proof that any coods delivered by its holder are Global Recvcled Standard (GRS) certifiedProof of Global Recycled Standard (GRS) certification of goods delivered is provided by a valid Transaction Certificate (TC) coveringthem.The issuing body can withdraw this certificate before it expires if the declared compliance is no longer quaranteed
SGS TEST REPORTS

Certificate No : SL718072738879TX

Issuing authority : SGS GROUP

Valid period : 2023/10/11 - 2024/11/30

SGS TEST REPORTS

SGS Textile Testing is a specialized of SGS, a globally renowned inspection, verification, testing, and certification company. With expertise in textile analysis and compliance assessment, SGS Textile Testing offers comprehensive services to the textile and apparel industry.

Utilizing state-of-the-art laboratories and cutting-edge technology, SGS Textile Testing provides accurate and reliable testing services for a wide range of textiles, including fabrics, garments, accessories, and fibers. Their services cover areas such as physical properties, chemical analysis, colorfastness, flammability, durability, and more.

SGS Textile Testing helps manufacturers, retailers, and brands ensure that their textile products meet international standards and regulations. They provide support in areas such as product quality control, performance evaluation, safety certification, and environmental sustainability. Additionally, SGS Textile Testing offers customized testing programs tailored to specific client needs.

With a global network of experts and laboratories, SGS Textile Testing delivers fast and efficient testing services, enabling clients to bring high-quality and compliant textile products to market. Their commitment to accuracy, reliability, and customer satisfaction has established them as a trusted partner in the textile industry.
SGS TEST REPORTS

Certificate No : SL718072738879TX

Issuing authority : SGS GROUP

Valid period : 2023/10/11 - 2024/11/30

SGS TEST REPORT

SGS Textile Testing is a specialized of SGS, a globally renowned inspection, verification, testing, and certification company. With expertise in textile analysis and compliance assessment, SGS Textile Testing offers comprehensive services to the textile and apparel industry.

Utilizing state-of-the-art laboratories and cutting-edge technology, SGS Textile Testing provides accurate and reliable testing services for a wide range of textiles, including fabrics, garments, accessories, and fibers. Their services cover areas such as physical properties, chemical analysis, colorfastness, flammability, durability, and more.

SGS Textile Testing helps manufacturers, retailers, and brands ensure that their textile products meet international standards and regulations. They provide support in areas such as product quality control, performance evaluation, safety certification, and environmental sustainability. Additionally, SGS Textile Testing offers customized testing programs tailored to specific client needs.

With a global network of experts and laboratories, SGS Textile Testing delivers fast and efficient testing services, enabling clients to bring high-quality and compliant textile products to market. Their commitment to accuracy, reliability, and customer satisfaction has established them as a trusted partner in the textile industry.
SGS TEST REPORTS

Certificate No : SL718072738879TX

Issuing authority : SGS GROUP

Valid period : 2023/10/11 - 2024/11/30

SGS TEST REPORT

SGS Textile Testing is a specialized of SGS, a globally renowned inspection, verification, testing, and certification company. With expertise in textile analysis and compliance assessment, SGS Textile Testing offers comprehensive services to the textile and apparel industry.

Utilizing state-of-the-art laboratories and cutting-edge technology, SGS Textile Testing provides accurate and reliable testing services for a wide range of textiles, including fabrics, garments, accessories, and fibers. Their services cover areas such as physical properties, chemical analysis, colorfastness, flammability, durability, and more.

SGS Textile Testing helps manufacturers, retailers, and brands ensure that their textile products meet international standards and regulations. They provide support in areas such as product quality control, performance evaluation, safety certification, and environmental sustainability. Additionally, SGS Textile Testing offers customized testing programs tailored to specific client needs.

With a global network of experts and laboratories, SGS Textile Testing delivers fast and efficient testing services, enabling clients to bring high-quality and compliant textile products to market. Their commitment to accuracy, reliability, and customer satisfaction has established them as a trusted partner in the textile industry.