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The precision lever is leveling steel plates to be perforated.

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BECOME THE INDUSTRY LEADING BRAND.

KEYPOINT MANAGEMENT SYSTEM MAKES OUR PRODUCTION CONTROL PRACTICABLE

In our keypoint management system,all production procedures are standardized based on enterprise production principles and international standards. And each link has a strict inspection system to ensure all key points regarding the product quality are under controlled. We implement our keyponint management from the following aspects.

MATERIAL ASSURANCE

We check labels for right materials before production. Generally, we follow the following steps.

  • Check the labeled materials in the warehouse and mill certifications.
  • Make sure the materials are in compliance with customers' requirements.
Labeled steel coils are placed in the warehouse.

SAMPLE TEST

All production will start with sample. we will test the sample in appearance and technical data. When the sample is qualified, normal production can start. As for sample test, we generally test samples from the following aspects:

  • Surface finish & cleanliness
  • The punching machine is punching the steel plate.

    Surface finish

    Slight damage of the perforated metal plate by mechanical action during the perforation process cannot be excluded.

  • Perforated metal plates are stacked on the warehouse.

    Surface Cleanliness

    Perforated metal plates are usually supplied with a light oily film. There should be no excessive seepage of oil after stacking.

  • Surface flatness

Each sheet will be flattened twice after punching. It maximally guarantees the perfect flatness of the perforated metal sheets.

All Products should be tested according to GB/T 19360-2003 & ISO 10630 standard.

The leveler is leveling the perforated metal plate.
  • Surface coating & color
  • Perforated metal plates are handing in the automatic spraying line for surface coating.

    Surface coating

    We have a fully automatic electrostatic spraying production line to maximally guarantee the coating quality.

  • RAL color card is used to test the color of perforated metal plate.

    Surface color

    We have standard RAL color card to control and test the product color to minimize the color difference.

  • Manufacturing defects

We will supervise the production and do our best to minimize manufacturing defects during production. We must ensure our perforated metal sheets are qualified and free from the following manufacturing defects.

  • Edge bow (camber)

    Manufacturing defect edge bow diagram.
  • Breakaway & burrs on holes

    Manufacturing defect breakaway and burrs on holes diagram.
  • Missing holes

    Manufacturing defect missing holes diagram.
  • Manufacturing tolerances

We believe that strict inspection ensures high quality. We will debug the machine and strictly control the production process and ensure all products are in compliance with ASTM & ISO standard tolerances.

Caliper is used to test the manufacturing tolerance of perforated metal plate.
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