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-45℃

-45℃ weld seam still has high safety

Recently, Posco and external companies have successfully developed steel pipes for hydrogen transmission, which will be used in Ansan, the first hydrogen demonstration city in South Korea.

2022-03-29

The

The viscosity of the slag in the seamless steel pipe factory is too large

The viscosity of the slag in the seamless steel pipe factory is too large. The gas dissolved in the high-temperature liquid metal during welding will overflow in the form of bubbles during the cooling process

2022-03-29

WELCOME

WELCOME TO YANTAI LAIYI INTERNATIONAL TRADING CO., LTD

Yantai Laiyi International Trading Co.,Ltd. specializes in exporting GALVANIZED PIPE,PVC PIPE

2021-09-26

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