Flat head chamfering machine 1

Introduction to the Patent of Our Company’s Welding Pipe Mill (5)

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Name: A precision forming rack Patentee: Shanxi Haina High…
finishing equipment 1

Introduction to the Patent of Our Company’s Welding Pipe Mill (4)

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Name: A high-efficiency flat head chamfering machine for large…
Rolling Mill

Introduction to the Patent of Our Company’s Welding Pipe Mill (1)

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Name: A three roll rough forming frame Patent number: ZL202020727890.7 Patentee:…
Large Diameter LSAW 9

Causes of sand holes in spiral steel pipe welds

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Spiral steel pipes are formed by bending the strip steel in…
Large Diameter LSAW 7

Heat treatment method of welding pipe mill

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Quenching process is currently the most widely used welding…
Large Diameter LSAW 2

How to maintain welded pipe mill in daily use?

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Many people ask: How to do a good job in the maintenance and…
Large Diameter LSAW 2

Maintenance of high-frequency welded pipe mill

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In terms of production efficiency and economic benefits, high-frequency…