DALIAN SAGE GROUP CO., LTD.

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Dalian, Liaoning, CN

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Patents Grantslast 30 patents

Information Patent Grant
Super large diameter longitudinal welded pipe forming machine set
- Patent number 9,266,155
- Issue date Feb 23, 2016
- DALIAN SAGE GROUP CO., LTD.
- Li Ma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production line of large diameter longitudinal welded pipe
- Patent number 9,266,161
- Issue date Feb 23, 2016
- DALIAN SAGE GROUP CO., LTD.
- Li Ma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION LINE OF LARGE DIAMETER LONGITUDINAL WELDED PIPE
- Publication number 20130239642
- Publication date Sep 19, 2013
- DALIAN SAGE GROUP CO., LTD.
- Li Ma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
SUPER LARGE DIAMETER LONGITUDINAL WELDED PIPE FORMING MACHINE SET
- Publication number 20130239638
- Publication date Sep 19, 2013
- DALIAN SAGE GROUP CO., LTD.
- Li Ma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...