Guoan Li

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of hot dip galvanized sheet anti-corrosive treat...
- Patent number 8,742,000
- Issue date Jun 3, 2014
- Pangang Group Steel Vanadium and Titanium Co., Ltd.
- Zhefeng Xu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF HOT DIP GALVANIZED SHEET ANTI-CORROSIVE TREAT...
- Publication number 20120052312
- Publication date Mar 1, 2012
- Pangang Group Steel Vanadium and Titanium Co., Ltd
- Zhefeng Xu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...