Hong Gao

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Changzhou, CN

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Patents Applicationslast 30 patents

Information Patent Application
Method for Preparing Stainless Steel Seamless Tube with Ultra-High...
- Publication number 20230304118
- Publication date Sep 28, 2023
- Jiangsu Wujin Stainless Steel Pipe Group Co., Ltd.
- Hong Gao
- C21 - METALLURGY OF IRON
Information Patent Application
ON-LINE OIL INJECTION LUBRICATION SYSTEM FOR SMALL-CALIBER COLD PIP...
- Publication number 20230211397
- Publication date Jul 6, 2023
- Jiangsu Wujin Stainless Steel Pipe Group Co., Ltd.
- Hong Gao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
S32750 Austenitic Ferrite Super Duplex Stainless Steel Seamless Pip...
- Publication number 20230167520
- Publication date Jun 1, 2023
- Jiangsu Wujin Stainless Steel Pipe Group Co., Ltd.
- Hong Gao
- C21 - METALLURGY OF IRON