Pre-Production Inspection (PPI)

Our pre-production inspection takes place before manufacturing begins, allowing you to verify that all raw materials, components, and production preparations meet your specifications. This proactive approach prevents costly mistakes downstream.

  • Raw material and component verification
  • Production line readiness assessment
  • Sample approval and golden sample comparison
  • Factory capacity and workload evaluation
  • Early identification of potential quality risks
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During Production Inspection (DUPRO)

Conducted when 10-30% of production is complete, our during-production inspection monitors the manufacturing process in real-time. We verify that quality standards are maintained throughout production and identify any deviations early.

  • In-process product quality monitoring
  • Production schedule and progress verification
  • Workmanship and assembly checks
  • On-line testing and function verification
  • Immediate corrective action recommendations
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Pre-Shipment Inspection (PSI)

Our pre-shipment inspection is the final quality gate before your goods leave the factory. When 80-100% of production is complete and packaged, we conduct a comprehensive random inspection based on internationally recognized AQL standards.

  • Quantity and assortment verification
  • Product appearance and workmanship inspection
  • Function, performance, and safety testing
  • Packaging, labeling, and marking checks
  • Barcode and shipping mark verification
  • AQL sampling per ANSI/ASQ Z1.4 standard
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Factory Audit & Assessment

Before you commit to a new supplier, our comprehensive factory audit provides an in-depth evaluation of the manufacturer's capabilities, quality management systems, and overall reliability. Make informed sourcing decisions with confidence.

  • Factory profile and legal status verification
  • Quality management system evaluation (ISO)
  • Production capacity and capability assessment
  • Equipment and machinery condition review
  • Worker conditions and HR practices
  • Export experience and client portfolio
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Container Loading Supervision (CLS)

Our container loading supervision ensures that your products are loaded correctly, safely, and securely into shipping containers. We verify that the right products, quantities, and packaging reach their destination without damage.

  • Container condition and cleanliness inspection
  • Loading process supervision and documentation
  • Quantity and product verification during loading
  • Proper stacking and load securing checks
  • Container sealing and seal number recording
  • Photo documentation of entire loading process
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Supply Chain Consulting

Beyond inspections, DOTHOS offers strategic supply chain consulting to help you optimize sourcing, improve supplier performance, and build robust quality management systems. Benefit from our deep expertise in Chinese manufacturing.

  • Supplier sourcing and qualification
  • Quality system design and implementation
  • Cost optimization and negotiation support
  • Supplier performance tracking and improvement
  • New product introduction (NPI) support
  • Ongoing quality monitoring programs
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