GuanLun ZHANG

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Hefei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Double printing method and screen stencil for improving the tensile...
- Patent number 10,763,378
- Issue date Sep 1, 2020
- TONGWEI SOLAR ENERGY (HEFEI) CO., LTD.
- Yaohui Xie
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Double Printing Method and Screen Stencil for Improving the Tensile...
- Publication number 20190363203
- Publication date Nov 28, 2019
- Tongwei Solar Energy(Hefei) Co.,Ltd.
- Yaohui XIE
- H01 - BASIC ELECTRIC ELEMENTS