Talk about product packaging

1 The origin and development of packaging

The origin of packaging has been a long time. The origin of the packaging can be traced back tens of thousands of years ago. The primitive people used shells, gourd scoops to hold water, and used reed leaves, ba

3M developed multilayer PET film

3M has developed a multi-layer PET film that can be used as a paint on window glass to prevent the penetration of infrared rays and other harmful light. Used in home and office windows to prevent indoor temperature rise and reduce the demand for air-conditionin

Box with side window

Patent Type: Utility Model Inventor: Xu Huiyang Applicant: Xu Huiyang Principal Applicant Address: 311211 Room 602, Unit 2, Building 28, Beibeiyuan, Xiaoshan District, Hangzhou City, Zhejiang Province, China Application No.8
Application Date: 2005.05.20