Ding-Yan Yu

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Ningbo, CN

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Patents Applicationslast 30 patents

Information Patent Application
Wire Control Drain Valve For Bathtub Drainage
- Publication number 20160186418
- Publication date Jun 30, 2016
- NINGBO RUNNER INDUSTRIAL CORPORATION
- Ding-Yan Yu
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
LINE-CONTROLLED TYPE LOOSE-PREVENTION BATH TUB WATER DRAINAGE DEVICE
- Publication number 20160177554
- Publication date Jun 23, 2016
- NINGBO RUNNER INDUSTRIAL CORPORATION
- Ding-Yan Yu
- E03 - WATER SUPPLY SEWERAGE