Welcome To Qingdao Baoduo Steel Structure Co., Ltd.
· Steel materials
· Welding rods and welding wires
When the steel materials arrive factory, we apply dimension measurement and tensile test by our in-house QC persons.
Spot weld dimension check
Butt weld width check
Fillet weld foot height check
Fillet weld effective throat check
We perform non-destructive testing (NDT) in accordance with contract documents and applicable welding codes. As part of this process, we ensure that all inspections, test plans and quality manuals are fully documented and maintained.
Apply ball blasting on primary steel structure components to make sure the surface reach to Sa 2.5 grade.
Pre-coating as required
Painting dry film thickness check