Jianfeng Chen

Follow

Person

Shaoguan City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing external cover edge of molded cup lid and p...
- Patent number 9,624,007
- Issue date Apr 18, 2017
- Dandong Mingcheng Environmental Protection Products Co., Ltd.
- Zongshen Lai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Method of Manufacturing External Cover Edge of Molded Cup Lid and P...
- Publication number 20170021979
- Publication date Jan 26, 2017
- Dandong Mingcheng Enviornmental Protection Production Co., Ltd.
- Zongshen Lai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL