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Wujin
12-12 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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Sanhua
12-12 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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Rahul Ferromet & Engg Pvt Lt
12-12 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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Pennar Group
12-11 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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Modern Tube LLC
12-11 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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MILESTONE
12-11 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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JIULI Group
12-11 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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Henghui Group
12-11 2023

Hangao is a 20years high-tech and specialized enterprise, is China's only one with high-end precision industrial welded pipe production line full set of equipment manufacturing capabilities.

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Analysis of Production Process and Product Characteristics of Titanium Welded Pipe
08-30 2022

Based on the shortcomings of titanium seamless pipes, titanium welded pipes came out. At present, there are only a handful of large titanium welded pipe companies in the world. One of the main factors restricting the development of titanium welded pipes is the insufficient production technology of titanium strips. But later, with the development and improvement of titanium steel pipe production technology. my country can also produce high-quality titanium steel strips.

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What Are the Factors Affecting the Bright Annealing Heat Treatment of Stainless Steel Welded Pipes?
08-30 2022

The purpose of on-line bright heat treatment of stainless steel welded pipes: one is to eliminate the residual stress generated during the cold working process of rolling the stainless steel strip into a tubular shape and during the welding process; It is an important process to ensure the performance of stainless steel welded pipes to solid solution into austenite and then quickly cool down to prevent austenite from precipitation or phase transformation during the cooling process.

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