A seminar on two group standards, "Stretched Polyethylene Film for Packaging" and "Single Material Stretched Polyethylene Composite Film for Packaging" drafted by Chengde Technology Co., Ltd. was held at Shanghai Ocean University on November 21, 2023 .

This seminar brought together China's plastic flexible packaging industry experts and brands to conduct active discussions on single-material environmentally friendly and easily recyclable packaging standards, aiming to promote the development of China's plastic flexible packaging industry to a higher level.