Japan's imports of high-density polyethylene -- used to make plastic bags and and detergent -- from China swelled roughly 170% on the year in March and were 20% above last year's monthly average, based on Japanese trade data and Chinese customs data.
Polystyrene, with applications including food trays and parts for home appliances, jumped 76% on the year. Overall imports of major plastic feedstocks from China grew 27%.
The Middle East turmoil has also spurred renewed imports of products that had not been sourced from China for years.
After importing no butadiene from China since 2021, Japan brought in 1.97 million kilograms in March. Used in tire production, butadiene is a basic chemical for which it is especially difficult to find alternative sources.
Chinese trade data also showed the first exports to Japan in six and a half years of mixed xylene, a key ingredient in paint thinner, which has been in Japan.
China seems to be faring better. In addition to its more diversified supply chain for crude oil, it has more facilities that can produce chemical feedstocks from coal or from ethane derived from natural gas. The country is making full use of its , tapping into abundant domestic coal reserves.
China Shenhua Energy, one of China's top coal companies, saw polyethylene sales grow 10% on the year in March.
At China Petroleum & Chemical, better known as Sinopec, the group's coal-to-chemicals operations are "running at full blast" and it has pushed back plans for major renovations, Vice Chairman Zhao Dong said at a news conference late last month.
essentially, China is making good use here of its coal to chemical & ethane to chemical processes to produce intermediate chemical products.