Dongjia Yao

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Zhengzhou City, CN

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Patents Applicationslast 30 patents

Information Patent Application
HEAT INSULATION AND PRESERVATION COMPOSITE BOARD AND PREPARATION ME...
- Publication number 20230264452
- Publication date Aug 24, 2023
- GONG YI VAN-RESEARCH INNOVATION COMPOSITE MATERIAL CO. LTD
- Dongsheng ZHANG
- B32 - LAYERED PRODUCTS
Information Patent Application
SANDWICH COMPOSITE BOARD AND PREPARATION METHOD THEREOF
- Publication number 20230256725
- Publication date Aug 17, 2023
- GONG YI VAN-RESEARCH INNOVATION COMPOSITE MATERIAL CO. LTD
- Xizong LIU
- B32 - LAYERED PRODUCTS
Information Patent Application
Preparation Method of Aluminum Silicate Fiber-Reinforced Aerogel Fe...
- Publication number 20230250020
- Publication date Aug 10, 2023
- GONG YI VAN-RESEARCH INNOVATION COMPOSITE MATERIAL CO., LTD
- Jicheng Zhang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES