Aug
02
2026
Industry News

What exactly is the national standard number of metal expansion joint? Stop getting GB/T 12777 wrong again

Give me the answer first: the current national standard is GB/T 12777-2019The national standard number of metal expansio...

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Aug
01
2026
Aug
01
2026
FAQ

Causes of Metal Expansion Joint Deformation? Don't wait for the pipeline to tear to find an answer

Causes of Metal Expansion Joint Deformation? Don't wait for the pipeline to tear to find an answerTwo days ago, I met an...

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