Qingfeng YANG

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Huzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Spreading device for foaming furnace
- Patent number 10,525,620
- Issue date Jan 7, 2020
- ZHEJIANG RUNYANG NEW MATERIALS TECHNOLOGY CO., LTD.
- Qingfeng Yang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SPREADING DEVICE FOR FOAMING FURNACE
- Publication number 20190210256
- Publication date Jul 11, 2019
- ZHEJIANG RUNYANG NEW MATERIALS TECHNOLOGY CO.,LTD.
- Qingfeng YANG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL