Jinggang Sun

Follow

Person

Shandong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Hot coiler drum working at 900-1200° C. and method for producing th...
- Patent number 9,186,713
- Issue date Nov 17, 2015
- YAN TAI DEVELOPMENT ZONE BLUE WHALE MAINTENANCE WELDING CO., LTD.
- Dianshuang Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Hot coiler drum working at 900-1200C and method for producing the h...
- Publication number 20120119008
- Publication date May 17, 2012
- Yan Tai Development Zone Blue Whale Maintenenance Welding Co., Ltd.
- Dianshuang Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR