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How to distinguish between high-frequency steel pipes and buried arc straight seam steel pipes?

There are significant differences in appearance between direct insertion high-frequency straight seam steel pipes and submerged arc straight seam steel pipes, mainly reflected in appearance and fastening joints.From the appearance, the high-frequency steel pipe body is flat and wavy, without any ...

2025-04-17

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On site follow-up visit to spiral welded pipe machine customers, equipment operation is efficient and stable！

On August 10th, the technical team of Shandong Duoleke Heavy Industry Machinery Co., Ltd. went to various places to conduct follow-up visits and exchanges on the operation of the equipment, with the aim of providing technical guidance for the production work of the customer company. This set of ...

2025-04-17

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Dorco Successfully Delivers Customized Aluminum Ring Rolling Machine

Recently, Dorco Heavy Industries successfully delivered a customized aluminum ring rolling machine to a client as scheduled. Due to the special nature of aluminum materials, once the client's customization request was received, Dorco's engineering team promptly began working to understand the client...

2025-04-17

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The rolling machine designed by Dorco for customers runs stably!

The Dorco ring rolling machine automation equipment specified by the customer has been officially put into production. The customer is very satisfied with the quality and stability of our equipment. They mentioned that the rolling process of the ring rolling machine is very stable, the product size ...

2025-04-17

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Dorco Heavy Industries' ring rolling machine has won high praise from customers!

Dorco Heavy Industries' customized ring rolling machine automation production line for customers has undergone multiple rounds of technical discussions and demonstrations, combined with the company's rich experience, fully considering the customer's requirements for structural form, stiffness, ...

2025-04-17

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