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Quality Inspection

Quality Inspection

Quality Management Policy

  • Establish selection and evaluation standards

    Establish supplier selection and evaluation standards, get a deep understanding of cooperative enterprises to avoid risks.

  • Sign a quality assurance agreement

    We require that the component yield meets our standards. If the component yield fails to meet these standards, we reserve the right to reject the goods and pursue legal action for any resulting liability.

  • Sign an environmental protection agreement

    By signing an environmental protection agreement, DT NO.1 attaches great importance to and supports environmental protection undertakings and assists customers in responding to strict environmental protection regulations in Europe and the United States.

  • Build a long-term cooperation and win-win relationship

    At DTNO.1, we value long-term, mutually beneficial partnerships and have maintained relationships with some of our suppliers since the company's inception.

Quality Management Policy

The whole process quality management organization relay on four representative organizations

Software and hardware quality acceptance control represented by testing
Whole-process product quality control planning represented by R&D quality
Delivery quality improvement represented by the Quality Assurance Department
Improve the company's system capabilities and customer satisfaction represented by the Quality Management Department

Representative organizations
DT NO.1

Whole Process Quality Assurance

Whole Process Quality Assurance

Test Standard of Environmental Equipment

  • Test Standard of Environmental Equipment
  • Test Standard of Environmental Equipment

UV Test: Light 8H,Condensation 4H, 6 cycle 72H

Constant temperature and humidity: Temperature High 70° Low -30°RH 93%

ESD Static electricity: Air ±8KV Contact ±4KV

Salt Spray: 35° 5% salt solution 48H

Sand dust: 2kg/m³ Talc powder with a diameter<75um 8H

Cold and hot shock: Temperature High70° Low-30° each for 1H 24 cycle 48H

Water-proof: 1m soak in water, 30min

Poached: 80° 30min

Quadratic Measurement: precision 0.01

Test Standard of Machinery Packaging

  • Test Standard of Machinery Packaging
  • Test Standard of Machinery Packaging

Free fall: height 1.2m, 6 sides, 2 cycles 12 times

Roller: 1M 100 times (200 turns)

Key life: 4-6N 50,000 times

Band tension: ≥8kg 2 times

Packaging and transportation: frequency 2.5HZ amplitude 22mm110C / min

Package drop: 6 sides, 1 corner, 3 edges, 1m

Slight drop: 7cm positive and negative 5000 times

Click the line: 250g 100,000 times

Life plug: 2000 times

Wire swing: 300g ± 60 ° 2000 times

Falling ball impact: 32g ball 0.5m impact 2 times

IT Fool-proofing

IT Fool-proofing

After-sales service

FAE engineer team assists in technical answering.

The product provides a one-year warranty period, and it can be repaired or replaced with new products for free in the case of non-human damage.

The customer return rate due to poor function has remained below 1% for a long time.

The professional customer complaint team handles orders and product abnormal issues, responds quickly and solves them efficiently.

After-sales service

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