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CopyrightShanDong LongKou Special Rubber Hose CO.,LTD
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NEWS INFORMATION

The company has won the "science and Technology Progress Award" in many provinces, municipalities and municipalities.

The company has won the "science and Technology Progress Award" in many provinces, municipalities and municipalities.

Release time:
2018-07-09
Review:
The company has won the "science and Technology Progress Award" in many provinces, municipalities and municipalities.
Because of its high technology content and advanced performance, it is a national branch.

Because of its high technology content and advanced performance, it is a national branch.

Release time:
2018-07-09
Review:
Because of its high technology content and advanced performance, it is a national branch.
The company has four national patents and produces ultra-high pressure drilling.

The company has four national patents and produces ultra-high pressure drilling.

Release time:
2018-07-09
Review:
The company has four national patents and produces ultra-high pressure drilling.
And approved by the American Petroleum Association API Spec 7K and API Spec 16C.

And approved by the American Petroleum Association API Spec 7K and API Spec 16C.

Release time:
2018-07-09
Review:
And approved by the American Petroleum Association API Spec 7K and API Spec 16C.