quality control
We understand that product quality is the cornerstone of customer trust. Since our establishment in 2001, we have been committed to passing strict quality control processes. Our quality control system covers every step of the process, from raw material purchasing to production and finished product testing, in order to provide quality products and services to our customers around the world.
How Qizhong Guarantees Superior Quality
Raw Material Screening
We procure raw materials from quality suppliers and go through a strict screening and testing procedure to ensure the purity and quality of each batch of raw materials. Only raw materials that meet our standards are allowed to enter the production process.
Production Process Control
In the production process, we use advanced production equipment and technology, combined with strict process control. Our activated carbon production line is equipped with an automated control system that can monitor and adjust production parameters in real-time, ensuring the consistency and stability of the products.
Laboratory Testing
We have advanced laboratory equipment and a professional testing team to conduct comprehensive performance testing and quality verification on all products. The testing items include adsorption capacity, physical properties, chemical composition, and other indicators, ensuring that the performance of the products meets the customer’s requirements.
Customer Feedback
We highly value customer feedback and use it as an important basis for improving quality. By regularly collecting and analyzing customer feedback, we continuously optimize our products and services to better meet customer needs and expectations.
Employee Training
We believe that employees are an important part of the company’s quality control. Therefore, we provide regular training and education for our employees to ensure that they master the latest quality control methods and techniques. Through continuous training, our employees can perform at their best in their respective positions.
Continuous Improvement
Quality control is not a static process, but a continuously improving cycle. We adopt a continuous improvement approach, using data analysis, customer feedback, and internal audits to constantly identify areas for improvement and enhance the quality of our products and services.
Pre-production
Confirm the specific application and parameters with the customer
Before starting production, we have detailed discussions with the customer to understand their specific application requirements and technical parameters. This includes detailed exploration of the product’s performance requirements, application environment, and usage conditions.
Quality control of raw materials
Through strict screening and testing procedures, we ensure the purity and quality of each batch of raw materials.
In-production
Process quality control
Our production line is equipped with automated control systems that can monitor and adjust production parameters in real time to ensure product consistency and stability.
Sampling inspection
To ensure the quality of each production batch, we conduct regular sampling inspections during the production process. If any deviations are found, we take corrective measures immediately.
Final production
Finished product quality inspection
After production completion, we conduct comprehensive quality inspections of the finished products. This includes detailed checks on the product’s appearance, dimensions, and performance.
Careful packaging
After passing the final inspection, we carefully package the products to ensure they are not damaged during transportation.
Quality Certification
In order to ensure that the product quality meets international standards, we actively seek and have obtained multiple authoritative certifications. We have invested a significant amount of resources in strictly managing and producing according to various standards, continuously enhancing our technological and process levels.
- NSF Certification
- ISO Certification
- HALAL
- KOSHER
- SGS
Laboratory Testing
At Qizhong Chemical, we understand the importance of precise and comprehensive testing in ensuring product quality. As such, we have established an advanced laboratory equipped with modern testing equipment and assembled a high-quality professional testing team.
- Iodine Value
- CTC (Carbon Tetrachloride Adsorption Value)
- Ash Content
- Heavy Metal Content
- Penetrating Sulfur Capacity
- Specific Surface Area
- Strength
- More
