Quality Control

Rigorous quality assurance processes for chemical products

Quality Control

Taking the lead in formulating multiple industry standards, we hold authoritative certifications such as HACCP and QES across the entire industrial chain. Our closed-loop management system, covering raw material procurement to finished product inspection, ensures strict adherence to food safety and quality compliance, laying a solid foundation for reliable product quality.Liwei Group Co., Ltd.is a chemical enterprise engaged in the sale of related products.

China National Salt Industry Corporation

Quality Metrics

Key performance indicators for quality assurance

100% Compliance

Full adherence to international quality standards.

Zero Defects

Stringent quality control ensuring flawless products.

24/7 Monitoring

Continuous quality monitoring around the clock.

10+ Certifications

Multiple international quality certifications.

Quality Process

Our step-by-step quality control approach

1
Raw Material Inspection

Thorough inspection of all incoming raw materials before production begins.

2
Lab Testing

Comprehensive laboratory testing to verify chemical composition and purity.

3
Production Monitoring

Continuous quality monitoring throughout the entire production process.

4
Final Verification

Final quality verification before product shipment to customers.

China National Salt Industry Corporation
Quality Inspection Methods

We regularly carry out "Quality Month" themed activities and QC team problem-solving initiatives. Through internal system audits, specialized training and third-party assessments, we strengthen all employees’ quality awareness, continuously optimize production processes, and drive steady quality improvement through lean management practices.

Real-time Monitoring
Batch Traceability
Automated Testing
Documentation