• China Guangdong Zecheng Intelligent Technology Co., Ltd. certification
    Standard: ISO9001
    Issue Date:
    Expiry Date:
  • China Guangdong Zecheng Intelligent Technology Co., Ltd. certification
    Standard: CE
    Issue Date:
    Expiry Date:
  • China Guangdong Zecheng Intelligent Technology Co., Ltd. certification
    Standard: CE
    Issue Date:
    Expiry Date:
QC Profile

Quality Control: Key Elements and Practice

1. Establish quality standards

(1). Establish process: First clarify the expected goals of the product or service, and based on these goals, develop detailed quality standards. The formulation of standards requires market research, expert demonstration, team discussion and other links to ensure the rationality and operability of the standards.
(2). Standard content: Quality standards should include clear and specific quality requirements, such as performance indicators, appearance requirements, reliability, etc. At the same time, in order to facilitate operation, standards should be as quantified and measurable as possible.

2. Quality control process

(1). Input-side control: Strictly control the quality of raw materials, parts and other inputs to prevent defective products from entering the production process from the source.
(2). Process control: Through regular inspections, random inspections, etc., ensure that key processes and links in the production process meet quality requirements.
(3). Output end control: Before the product leaves the factory, a comprehensive quality inspection is conducted to ensure that the quality of the final product meets the standards.

3. Quality inspection and evaluation

(1). Testing method: According to product characteristics and quality requirements, select appropriate testing methods, such as sampling inspection, full inspection, functional testing, etc.
(2). Evaluation standards: Develop clear evaluation indicators, such as pass rate, defective rate, failure rate, etc., to quantitatively evaluate product quality.
(3). Assessment result processing: Classify and grade product quality based on the assessment results. For unqualified products, rework or scrap them.

4. Handling of defective products

(1). Definition of defective products: Clarify the definition and judgment criteria of defective products.
(2). Cause analysis: Perform statistics and analysis on defective products to find out the causes of problems and provide basis for improvement.
(3). Impact assessment: Evaluate the possible impact of defective products, including customer satisfaction, production costs, etc., so that appropriate measures can be taken.

5. Continuous improvement

(1). Look for improvement opportunities: Through quality inspection and evaluation, find deficiencies and problems in products or services and look for improvement opportunities.
(2). Improvement process: Develop and implement specific improvement processes, such as problem feedback, problem analysis, improvement plan formulation and implementation, etc.
(3). Improve quality level: Through continuous improvement, gradually improve product quality level, improve customer satisfaction and company competitiveness.

6. Training and awareness raising

(1). Training plan: Develop specific training plans based on employees’ positions and responsibilities, including training content, time, methods, etc.
(2). Training content: Training content should include basic knowledge of quality management, training on quality standards and quality control processes, as well as professional skills training for specific positions.
(3). Training implementation: Training is provided through classroom explanations, case analysis, practical operations, etc. to ensure that employees fully understand and master quality knowledge and skills.

7. Supplier Management

(1). Supplier selection: When selecting a supplier, a comprehensive assessment of its quality assurance capabilities must be conducted, including its quality management level, product quality and reputation.
(2). Supplier performance evaluation: Regularly evaluate supplier performance to identify and solve problems in a timely manner and ensure that supplier quality meets requirements.
(3). Supplier discipline management: Discipline management of suppliers. Suppliers who do not meet the requirements must be corrected and punished in a timely manner to ensure stable quality of the supply chain.

8. Establishment and maintenance of quality system

(1). System establishment process: Establish a complete quality management system from organizational structure, process formulation to resource allocation and other aspects.
(2). System document preparation: Prepare quality management system documents, including quality management manuals, procedure documents and work instructions, etc., to clarify the responsibilities and operating procedures at all levels.
(3). System operation and maintenance: Ensure the effective operation and maintenance of the quality management system through regular audits and evaluations. At the same time, the system is continuously improved and optimized based on actual conditions.

To sum up, quality control is an indispensable part of enterprise management. By formulating reasonable quality standards, establishing effective quality control processes, conducting comprehensive quality testing and evaluation, handling defective products in a timely manner, making continuous improvements, improving employee training and awareness, managing suppliers, and establishing and maintaining quality systems, companies can Achieve comprehensive control over product and service quality and improve customer satisfaction and market competitiveness.