Because most of the plastics are currently petroleum products, China's petroleum reserves only account for about 2% of the world's total. According to relevant data, China has changed from an oil exporter to a net importer in 1993, and became the world's second largest oil consumer in 2002. At that

Plastics that are common in life are mostly used for outer packaging, but once they are discarded and not disposed of in time, what we often call "white pollution" is formed. To give a common example, the mulch film used in agriculture has brought great development in the later use, but the broken f