At DULICO, we focus on quality control throughout the entire production process. To ensure that our products meet the technical requirements and quality standards of each order, we have established a strict quality control process.

1. Control of Incoming Materials
- Origin inspection: All input materials are carefully checked for origin, provenance, and quality certification.
- Component analysis: Raw materials are analyzed to ensure compliance with the established technical standards.
- Appearance inspection: Check the size, shape, color, and surface of raw materials.
2. Production Process Control
- Using modern machinery: Dulico invests in modern machinery and production equipment, ensuring high precision in each stage.
- Comply with the process: All production stages are carried out in accordance with approved technological processes.
- Periodic inspection: Periodic inspection of technical parameters during the production process.
3. Finished Product Control
- Appearance inspection: Check the size, shape, color, surface of the finished product.
- Physical inspection: Check the physical properties such as hardness, strength, toughness.
- Chemical inspection: Analyze the chemical composition to ensure the product meets the standards.
- Dimensional inspection: Check the dimensions of the product to ensure it meets the technical requirements.
4. Packaging and Shipping Control
- Careful packaging: The product is carefully packaged to avoid damage during transportation.
- Pre-shipment re-inspection: Check again before delivery to ensure the product meets the technical requirements.
5. Customer feedback
- Collect information: Collect feedback from customers about the product quality.
- Analyze and improve: Analyze this information to find out the points that need improvement and come up with suitable solutions.
Quality standards
Dulico always complies with international quality standards such as ISO 9001:2015 to ensure product and service quality.
Dulico’s commitment:
- Quality as a top priority: We control quality at every stage of production while continuously improving our processes, equipment, and management methods to provide products that meet customers’ technical requirements and quality standards.
- Customer is the center: We always listen to customers’ opinions and constantly improve products to meet customers’ needs.
- Professional staff: We have a team of experienced and highly qualified staff.
With a strict quality control process and a commitment to continuous improvement, Dulico is confident in bringing customers high quality products, meeting all customer requirements.
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To receive a quotation and detailed consultation on products and technical specifications, please contact:
| Mr. Doan Thanh Tung (David) International Sales 📞+84 975 441 115 ✉️ tung.doan@dulico.vn | Ms. Hoang Thi Huong Lan International Sales 📞 +84 984 805 505 ✉️ lanhoang@dulico.vn | Mr. Nguyen Trong Duy (LEO) Director ✉️ duy.nguyen@dulico.vn |



















