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#Fireproof warehouse airtight clean door#fireproof stainless steel clean door#hermetic warehouse stainless steel door
This is the welding of the door frame
Our welders are so skillful that after the parts of the door frame are perfectly aligned, sparks fly and they are firmly welded together. Next, he picked up the sander and patiently and carefully polished the weld until the surface was smooth and flawless, and the door frame was new, both strong and beautiful, demonstrating his exquisite craftsmanship and extreme attention to detail.
7 months ago
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Paint and powder the steel clean door panels
Shenzhen Yue Ma intelligent Technol
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