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Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. Quality Control

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  • China Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. certifications
    Standard:SGS
    China Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. certifications
    Standard:SGS
    Raw material quality control:
    • Thickness tolerance re-check
    • Yield point and tensile strength testing in-house
    • Third party inspection are welcome
    • Supply traceable mill certificate.
    Structural steel fabrication quality control:
    • 100% testing dimension tolerance <3mm
    • 20% sample welding line ultrasonic testing, no fault, full penetration
    • 20% magnetic powder testing, no bubble, no defect, Smooth and Full
    • Supply third-party inspection assistance.
    Anti-corrosion system quality control:
    • Shot blasting to reach grade Sa. 2.5, surface metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
    • Apply primer paint within 4 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75μm.
    Pre-assembly testing the connection details:

    For special shaped steel structures components, we apply pre-assembly test in workshop before package and delivery.


    Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. quality control 0



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    About Us

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    Contact Us
    Company Profile Factory Tour Quality Control
    certifications
      Raw material quality control:
      • Thickness tolerance re-check
      • Yield point and tensile strength testing in-house
      • Third party inspection are welcome
      • Supply traceable mill certificate.
      Structural steel fabrication quality control:
      • 100% testing dimension tolerance <3mm
      • 20% sample welding line ultrasonic testing, no fault, full penetration
      • 20% magnetic powder testing, no bubble, no defect, Smooth and Full
      • Supply third-party inspection assistance.
      Anti-corrosion system quality control:
      • Shot blasting to reach grade Sa. 2.5, surface metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
      • Apply primer paint within 4 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75μm.
      Pre-assembly testing the connection details:

      For special shaped steel structures components, we apply pre-assembly test in workshop before package and delivery.


      Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. quality control 0



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      Room 709, Building 5, No. 176 Jufeng Road, Qingdao, Shandong, China

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      86--13969825647

      +86 13969825647
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