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Zhejiang ShiningHub Co., Ltd.
Zhejiang ShiningHub Co., Ltd.

A Comprehensive Guide to Apparel Quality Control Processes

24 Dec , 2024

Quality control (QC) in garment manufacturing is crucial for ensuring the production of high-quality garments that meet consumer expectations. It helps maintain brand reputation, reduce returns and defective products, and ensure compliance with safety and regulatory standards.


Common issues include fabric defects, inaccurate dimensions, poor sewing quality, color mismatches, and label errors. Addressing these issues requires a structured and efficient QC process.

 

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A key component of garment quality control


In the garment production process, quality control is a crucial step to ensure the final quality of the product. Among them, fabric and material quality inspection, sewing and structural inspection, size and measurement accuracy inspection, as well as packaging and label compliance, constitute the four core components of garment quality control.

 

Fabric and material quality inspection

Fabric, as the foundation of clothing, has a direct impact on the overall quality of the garment. Therefore, in the quality control process, the inspection of fabrics and materials is particularly important. We need to ensure that the selected fabric meets various standards in terms of strength, durability, and appearance. Specifically, this includes rigorous testing of the fabric's shrinkage rate to prevent dimensional changes in the garment after washing; at the same time, color fastness tests are conducted to ensure that the garment's color remains durable and does not fade; in addition, the texture of the fabric must also be carefully inspected to ensure that it meets design requirements and exhibits good visual effects.

Sewing and structural inspection

Sewing craftsmanship and structural design are indispensable aspects of garment production. In quality control, we need to conduct a comprehensive evaluation of seam strength, density, and the overall garment structure. The seam strength should be sufficient to ensure that the garment is not prone to unraveling during wear; the seam density should be uniform to present a neat and aesthetic appearance; at the same time, the overall garment structure should also be reasonable, conforming to ergonomic principles while ensuring both durability and aesthetics of the garment.

Inspection of dimensions and measurement accuracy

Size and fit are crucial factors in determining whether clothing fits well. During the quality control process, we must rigorously verify the size and fit specifications of the clothing. Through precise measurement and comparison, we ensure that every piece of clothing meets the required size and fit requirements. This step is crucial in preventing size inconsistencies and enhancing customer satisfaction.

 

Packaging and labeling compliance inspection

Packaging and labeling are the "facades" of clothing products and also serve as crucial channels for consumers to gain product information. In quality control, we must rigorously inspect whether the packaging is intact and whether the labeling meets regulatory requirements. The label should clearly indicate key information such as care instructions and material composition, to facilitate consumers' correct use and maintenance of clothing. Simultaneously, packaging must also comply with environmental and aesthetic standards, adding value to the product.


Fabric and material quality inspection, sewing and structural inspection, size and measurement accuracy inspection, as well as packaging and label compliance, jointly constitute the four key components of garment quality control. Only by strictly controlling these four aspects can we ensure the quality and compliance of garment products, thereby gaining the trust and satisfaction of consumers.

 

Whole-process quality control in garment production

In the garment production process, quality control is a crucial aspect that permeates throughout, ensuring that every step, from raw materials to finished products, adheres to the established design and quality standards.


The quality control of garment production mainly consists of three stages: pre-production quality inspection, in-process quality control, and post-production quality assurance.

 

Pre-production quality inspection: laying the foundation for quality

Approval of materials and samples


Before production commences, it is crucial to conduct a rigorous review of the selected materials and prototypes. This step aims to ensure that the material's quality, performance, and appearance align with design requirements and comply with industry quality standards. By comparing the samples with the standards, we can identify and address potential material issues in advance, laying a solid foundation for the subsequent production process.

Supplier and factory evaluation


The capabilities of suppliers and factories directly impact product quality and delivery timelines. Therefore, prior to production, we need to conduct a comprehensive evaluation of suppliers, encompassing their production capacity, quality control system, historical performance, and other relevant aspects. Simultaneously, we must also carry out on-site inspections of the factory's production environment, equipment and facilities, and employee skills to ensure they meet our QC requirements and are capable of producing high-quality products that meet standards.

 

Quality control during the production process

Production line inspection and quality control


During the production process, we have set up multiple inspection checkpoints to conduct real-time monitoring at various stages of production. From raw material input, cutting, sewing, to ironing and packaging, every step undergoes rigorous inspection to ensure that the products meet design requirements and quality standards. By promptly identifying and correcting defects in production, we can effectively avoid the occurrence of batch-related issues.

Real-time problem-solving technology


During the production process, it is inevitable to encounter various problems. To ensure the smooth progress of production and the stability of product quality, we have adopted real-time problem-solving technology. Once a problem is identified, we immediately initiate the emergency response plan, quickly pinpoint the cause of the problem, and take corresponding measures to address it. This rapid response mechanism effectively prevents the further spread and deterioration of the problem, ensuring both production efficiency and product quality are improved.

 

Quality assurance after production

Final Random Inspection (FRI)


After production ended, we conducted a final random inspection. A certain percentage of samples were randomly selected from the batch of products for detailed examination to verify the quality level of the entire batch. This step is an important means to ensure the stability and consistency of product quality, and it also demonstrates our commitment to our customers.


Shipment review


Before preparing products for shipment, we also conduct a final shipment audit. This step aims to reconfirm whether the products meet quality standards, fulfill customer order requirements, and are ready for distribution. Through the shipment audit, we can ensure that each batch of products is of high quality, having undergone strict quality control, providing strong guarantees for customer satisfaction and our brand reputation.

In summary, the quality control stage in garment production is a systematic and complex process, encompassing all aspects before, during, and after production. Only by exercising strict control throughout the entire process can we ensure excellent product quality and win the trust and satisfaction of customers.

 

Techniques and tools for quality control

In the garment production process, quality control is a crucial step to ensure that the products meet design requirements and customer expectations.

To achieve this goal, various advanced technologies and tools have been employed, including visual inspection techniques, statistical quality control methods, cutting-edge textile testing equipment, and the application of technology in quality management.

 

Visual inspection technology

Visual inspection technology is the most fundamental and direct method in quality control. A team of professionally trained inspectors, with their keen eyesight and rich experience, conduct meticulous inspections on every garment. From stains, loose threads to color variations, any visible defects are not missed by their eyes. Although this technique seems simple, it is extremely effective, as it can quickly identify and rectify issues in the production process, ensuring that the appearance quality of the products reaches its best state.

 

Statistical quality control methods

Statistical quality control method is a quality control approach based on mathematical and statistical principles. By utilizing statistical sampling, a certain number of samples are randomly selected from a batch of products for testing. Through statistical analysis of the test results of these samples, we can infer whether the quality level of the entire batch of products meets the established quality standards. This method is both scientific and efficient, enabling comprehensive and accurate evaluation of batch quality without damaging the products.

 

Advanced textile testing equipment

To ensure optimal performance and quality of clothing, we have introduced advanced textile testing equipment. These devices are capable of testing various performance indicators of textiles, such as tensile strength, wear resistance, and color fastness. Through precise testing by these devices, we can timely understand the performance status of textiles, providing strong data support for quality control during the production process. At the same time, these testing devices also help us identify potential quality issues, providing direction for continuous improvement and optimization of products.

 

Technological application in quality management

With the continuous development of technology, artificial intelligence and automation technology are increasingly widely used in quality management. We are also keeping up with the trend of the times and introducing these advanced technologies into the quality control process. By adopting artificial intelligence algorithms and automation technology, we can simplify the QC process, reduce human errors, and track quality trends in real time. This intelligent quality management approach not only improves work efficiency but also enhances the accuracy and reliability of quality control, providing a strong guarantee for the quality of our clothing.


Standards and certification of clothing quality

In the clothing industry, quality, compliance, and sustainability are key factors that influence brand reputation, consumer trust, and market competitiveness.

To ensure consistent quality of clothing products, meet regulatory requirements in specific regions, and adhere to the principles of sustainable development and ethical sourcing, it is necessary to strictly adhere to and pursue a series of international, regional, and industry-specific standards and certifications.

 

International standard

We are fully aware that in a globalized market, adhering to internationally recognized quality standards is the foundation for ensuring product consistency and competitiveness. We actively comply with the ISO 9001 quality management system standard, which provides us with a comprehensive quality management framework. We strive for excellence in every aspect, from product design, raw material procurement, manufacturing, to after-sales service.

We also adopt the Acceptable Quality Level (AQL) as the inspection standard to ensure that the defect rate of products in mass production is controlled within an acceptable range, thereby safeguarding consumer satisfaction and brand reliability.

 

Regional compliance requirements

Different regions have their own unique regulations and standards, which not only pertain to product safety but also involve environmental protection and social responsibility. For instance, in the US market, we strictly adhere to the Consumer Product Safety Improvement Act (CPSIA) to ensure that children's clothing and supplies do not contain harmful substances, thereby safeguarding the healthy growth of children. In the European market, we comply with the REACH regulation to ensure that all chemical usage meets environmental and safety standards, protecting consumers and the environment from potential hazards. By meeting these regional compliance requirements, we not only gain market access but also earn the trust and respect of consumers.

 

Sustainable development and ethical procurement standards

While pursuing economic benefits, we never forget to fulfill our social responsibility and environmental protection philosophy. We adhere to the guiding principles of sustainable development and ethical procurement, actively seeking cooperation with fair trade organizations to ensure that every link in the supply chain respects human rights and safeguards workers' rights and interests. Furthermore, we have obtained the Global Organic Textile Standard (GOTS) certification, which not only requires the use of organic raw materials in textiles but also imposes stringent requirements on environmental impact and social responsibility during the production process. By adhering to these standards and certifications, we not only provide consumers with more environmentally friendly and healthy clothing choices but also contribute to the sustainable development of the industry.


In summary, international standards, regional compliance requirements, as well as sustainable development and ethical procurement standards, collectively constitute our clothing quality standards and certification system. These standards and certifications not only ensure consistent, safe, and reliable product quality but also reflect our commitment to environmental protection and social responsibility. We will continue to uphold these principles, continuously improve product quality and service levels, and bring consumers more high-quality and sustainable clothing choices.

 

Common challenges in garment quality control


In the clothing industry, quality control is a crucial aspect in ensuring product quality, meeting consumer expectations, and maintaining brand reputation.

In the actual operation process, we face numerous challenges, which test our management ability, coordination ability, and balancing ability.

Here are the three common challenges in our garment quality control:

 

Deal with variability in production

During the garment production process, due to variations in raw materials, craftsmanship, equipment, and human factors, products from different batches or factories often exhibit certain differences. These differences may manifest as subtle variations in color, size, texture, and other aspects. However, for consumers who strive for perfection, these differences cannot be overlooked.


To address this variability, we need to establish a refined production management system that strictly controls every aspect, ensuring that each batch of products meets the established quality standards.


We also need to strengthen communication and coordination among factories, share production experience and technology, in order to narrow the differences and improve product consistency.

 

Ensure consistency among suppliers

In the garment supply chain, suppliers play a crucial role. However, there are often variations in quality levels among different suppliers, posing significant challenges to our quality control.


To ensure that all suppliers can provide products that meet our requirements, we need to establish unified quality standards and enforce them across multiple suppliers. This requires us to establish close cooperative relationships with suppliers, jointly set quality goals, provide technical support and training, and help suppliers improve their quality management levels.


We also need to establish a strict supplier evaluation mechanism to conduct regular assessments and audits of suppliers' quality performance, ensuring consistency among suppliers.

 

Seek a balance between cost and quality

In garment production, cost and quality often present a paradox. Improving quality often requires investing more resources and costs, while reducing costs may lead to a decline in quality. Finding a balance between cost and quality is another major challenge in our quality control. To address this issue, we need to continuously optimize production processes, improve production efficiency, and reduce waste and loss. At the same time, we also need to adopt advanced quality management tools and techniques, such as statistical process control (SPC), to precisely control the production process, ensuring stable quality while reducing production costs. Furthermore, we need to strengthen cooperation with suppliers, reduce raw material costs through bulk purchasing, long-term cooperation, and other methods, achieving a win-win situation for both cost and quality.


Dealing with variability in production, ensuring consistency among suppliers, and striking a balance between cost and quality are three common challenges in our garment quality control. Facing these challenges, we need to continuously explore and innovate, establish a more comprehensive quality control system, improve product quality and competitiveness, and provide consumers with higher-quality and reliable garment products.

 

The role of third-party quality control services


In the garment industry, quality control is crucial for ensuring product quality, maintaining brand image, and meeting consumer expectations. For many enterprises, establishing their own quality control system may face challenges such as limited resources and insufficient professional knowledge. Third-party quality control services have emerged as valuable assistants for enterprises.


How to choose a reliable third-party service?

 

Advantages of independent inspection: impartiality, professionalism, and compliance

Third-party quality control service providers are renowned for their independence and impartiality, which is one of their most significant advantages. As independent third parties, they are not constrained by internal corporate interests and can objectively and impartially inspect and evaluate products. This impartiality not only enhances the credibility of inspection results but also provides more accurate quality feedback for enterprises.


In addition to impartiality, third-party QC providers also possess professional knowledge and technology. They typically have an experienced inspection team that is familiar with various quality standards, inspection methods, and compliance requirements. Through professional inspection processes and technical means, they are able to thoroughly and meticulously inspect every detail of the product, ensuring that it meets established quality standards and regulatory requirements.


In addition, third-party quality control services can also provide compliance assurance for enterprises. They are familiar with the regulations and standards of different markets and regions, and can assist enterprises in ensuring that their products meet the entry requirements of the target market, thus avoiding legal risks and market losses caused by non-compliance.

 

Select reliable third-party services based on details such as reputation, service scope, industry certification, and report transparency

Faced with numerous third-party quality control service providers in the market, how can enterprises choose reliable service providers?

Here are several key factors that need to be considered:


Reputation: Choosing a service provider with a good reputation and word-of-mouth is crucial. You can learn about the reputation and strength of the service provider by checking customer reviews, case sharing, and recommendations within the industry.


Service scope: Different service providers may offer varying service scopes. Enterprises need to select a service provider that can provide comprehensive and customized services based on their own needs, ensuring that all quality control requirements are met.


Industry certification: Industry certification is an important indicator of a service provider's professional level and compliance. Choosing a service provider that has obtained relevant industry certifications can ensure the quality and reliability of services.


Report transparency: Inspection reports serve as a crucial basis for enterprises to understand product quality and compliance. Choosing a service provider that can provide detailed and transparent inspection reports can help enterprises better understand the actual situation of their products, providing strong support for subsequent improvement and optimization.


Third-party quality control services, leveraging their independent inspection advantages, offer enterprises fair, professional, and compliant quality control solutions.

When selecting a third-party service provider, enterprises need to comprehensively consider factors such as reputation, service scope, industry certification, and report transparency to ensure the selection of reliable and high-quality service providers, jointly contributing to the improvement of product quality.

 

END


An effective QC process encompasses clear standards, systematic inspections, advanced tools, and well-trained personnel. These practices are crucial for ensuring garment quality, maintaining brand reputation, and meeting consumer expectations. Continuous evaluation and improvement of the QC process help manufacturers stay competitive and maintain customer trust.

 


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Smart Sourcing & Quality Assurance Content Team

Article by Smart Sourcing & Quality Assurance Content Team


The Smart Sourcing & Quality Assurance Content Team is dedicated to delivering high-quality, easy-to-understand information that empowers our audience to navigate the complexities of global sourcing and quality assurance. Our team of writers has extensive experience in creating content across various fields, including procurement, supply chain management, quality assurance, market trends, and industry best practices. We specialize in sectors such as apparel, textiles, and consumer goods, providing targeted insights to help businesses in these industries optimize their sourcing strategies, ensure product quality, and maintain a competitive edge in the market.