Qingdao Tsin Steel Structure Construction Technology Co.,Ltd.
Verified Supplier
1 Years
shandong, qingdao
Since 2020
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PRODUCT CATEGORIES

Prefabricated Steel Structure

 (30)

Steel Structure Warehouse

 (25)

Steel Structure Workshop

 (25)

Steel Structure Building

 (26)

Steel Structure Construction

 (25)

Steel Frame Building

 (26)

Steel Structure Fabrication

 (23)

Steel Building Material

 (6)

Poultry House

 (4)

Cow Shed

 (3)

Horse Shed

 (2)

Steel Garage

 (3)

Why Can We Always Ensure Excellent Quality

Quality Control

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.

Qingdao Tsin Steel Structure Construction Technology Co.,Ltd.

Qingdao Tsin Steel Structure Construction Technology Co.,Ltd.

Certification

Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. Certifications
Standard: ISO 9001:2015
Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. Certifications
Standard: ISO 14001: 2015
Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. Certifications
Standard: SGS
Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. Certifications
Standard: SGS
Qingdao Tsin Steel Structure Construction Technology Co.,Ltd. Certifications
Standard: CE
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