Group 1 - In the first four months of 2025, the plastic production in Hebei Province reached 536,000 tons, representing a decline of 8.5% compared to the same period in 2024, with a growth rate 36.4 percentage points lower than in 2024 and 18.6 percentage points lower than the national average [1] - The total plastic production in Hebei accounted for 1.2% of the national output of 46,012,000 tons during the same period [1] Group 2 - In April 2025, Hebei's plastic production was 145,000 tons, which is a decrease of 17.3% year-on-year, with a growth rate 63.1 percentage points lower than in 2024 and 29.3 percentage points lower than the national average [2] - The April production in Hebei also represented 1.2% of the national total of 11,686,000 tons for that month [2]

Group 1 - In May 2025, China's petroleum coke production was 2.469 million tons, representing a year-on-year decrease of 8.0% [1] - The growth rate for May 2025 was 7.0 percentage points lower than the same period last year [1] - Cumulative petroleum coke production from January to May 2025 reached 13.124 million tons, with a year-on-year decline of 5.0% [4] Group 2 - The growth rate for the first five months of 2025 was 8.0 percentage points lower compared to the same period last year [4] - The statistics cover large-scale industrial enterprises with annual main business income of 20 million yuan or more [5]

Group 1 - In the first five months of 2025, Anhui Province's industrial enterprises produced a total of 1.207 million tons of primary plastic, representing a decrease of 5.1% compared to the same period in 2024, with a growth rate 1.0 percentage points lower than 2024 and 15.2 percentage points lower than the national average [1] - The total primary plastic production in Anhui accounted for 2.1% of the national output of 58.098 million tons during the same period [1] Group 2 - In May 2025, Anhui's primary plastic production reached 264,000 tons, down 5.7% from May 2024, with a growth rate 1.8 percentage points lower than the previous year and 15.9 percentage points lower than the national average [2] - The May production in Anhui represented 2.2% of the national total of 11.9 million tons for that month [2]

Core Insights - In the first four months of 2025, the plastic production in Zhejiang Province reached 5.977 million tons, marking a 10.8% increase compared to the same period in 2024, although the growth rate has slowed by 1.9 percentage points from the previous year [1] - The production accounted for 13.0% of the national output of 46.012 million tons during the same period [1] Monthly Analysis - In April 2025, the plastic production in Zhejiang Province was 1.538 million tons, reflecting a 15.3% increase year-on-year, which is 4.2 percentage points higher than the growth rate in April 2024 [2] - This monthly production represented 13.2% of the national total of 11.686 million tons for that month [2] Industry Context - The term "primary plastic" was previously referred to as "plastic resin and copolymer" before 2004 [6] - Since 2011, the threshold for large-scale industrial enterprises in China has been raised from an annual main business income of 5 million yuan to 20 million yuan [6]

Group 1 - The core viewpoint of the article highlights a decline in the production of primary plastic forms in Tianjin for May 2025, with a year-on-year decrease of 4.6% [1] - In May 2025, the production of primary plastic forms reached 332,000 tons, which is 11.1 percentage points lower than the same period last year [1] - The production in Tianjin accounted for 2.8% of the national output of 11.9 million tons for the same period [1] Group 2 - From January to May 2025, the cumulative production of primary plastic forms in Tianjin was 1.933 million tons, reflecting a year-on-year growth of 24.4% [1] - The growth rate for the first five months of 2025 was 28.0 percentage points higher than the same period last year [1] - Tianjin's cumulative production represented 3.3% of the national total of 58.098 million tons during the same timeframe [1]

Group 1 - In the first four months of 2025, the petroleum coke production in Jiangsu Province reached 814,000 tons, representing a year-on-year increase of 5.3%, which is 5.1 percentage points higher than the growth rate in 2024, and 10.9 percentage points higher than the national average [1] - The total petroleum coke production in China during the same period was 10,499,000 tons, with Jiangsu Province accounting for 7.8% of this total [1] Group 2 - In April 2025, Jiangsu Province's petroleum coke production was 213,000 tons, showing a significant year-on-year growth of 32.1%, which is 37.5 percentage points higher than the growth rate in April 2024 [2] - The growth rate in April 2025 was 41.0 percentage points higher than the national average for the same month, with Jiangsu's production representing 8.7% of the national total of 2,435,000 tons [2]

Group 1 - The core viewpoint indicates that in April 2025, the crude oil processing volume in Henan Province was 850,000 tons, representing a year-on-year decrease of 4.2% and a decline of 7.6 percentage points compared to the same month last year [1] - The crude oil processing volume for the first four months of 2025 reached 3.343 million tons, showing a year-on-year growth of 1.2%, which is an increase of 0.9 percentage points compared to the previous year [4] - The processing volume in April accounted for 1.5% of the national total of 58.034 million tons, while the cumulative processing volume from January to April represented 1.4% of the national total of 240.268 million tons [1][4] Group 2 - The data reflects that the crude oil processing growth rate in Henan Province is lower than the national average by 2.8 percentage points in April [1] - The statistics are based on large-scale industrial enterprises with annual main business income of 20 million yuan or more [6]

Group 1 - The production of caustic soda (calculated at 100%) in Beijing's industrial enterprises for the first five months of 2025 reached 0.02 million tons, representing a significant decline of 87.5% compared to the same period in 2024, and is 91.45 percentage points lower than the national growth rate, accounting for 0.00% of the national production of 1869.7 million tons [1] - In May 2025, the production of caustic soda in Beijing was recorded at 0.00 million tons, which is a decrease of 67.1% compared to May 2024, and the growth rate is 69.36 percentage points lower than the national average, contributing 0.00% to the national production of 379.1 million tons [2]

Core Viewpoint - In April 2025, the production of petroleum asphalt in Yunnan Province experienced a significant decline, indicating a downturn in the industry compared to previous years [1]. Group 1: April 2025 Production Data - The petroleum asphalt production in Yunnan Province for April 2025 was 40,000 tons, representing a year-on-year decrease of 33.1% [1]. - The growth rate for April 2025 was 91.0 percentage points lower than the same month in the previous year [1]. - Yunnan's production accounted for 1.2% of the national total production of 3,214,000 tons for the same period [1]. Group 2: January to April 2025 Production Data - From January to April 2025, the total petroleum asphalt production in Yunnan Province was 140,000 tons, reflecting a year-on-year decline of 29.6% [1]. - The growth rate for this four-month period was 87.6 percentage points lower than the same period in the previous year [1]. - Yunnan's production during this period also represented 1.2% of the national total production of 1,145,600 tons [1].

Core Insights - The production of caustic soda (100% equivalent) in Qinghai Province reached 34,000 tons in April 2025, marking a year-on-year increase of 51.3%, which is 31.3 percentage points higher than the same period last year [1] - For the period from January to April 2025, the total production of caustic soda (100% equivalent) was 134,000 tons, reflecting a year-on-year growth of 6.4%, but this growth rate is 12.8 percentage points lower than the previous year [1] Production Data Analysis - April 2025 production statistics indicate that Qinghai's caustic soda output accounted for 0.9% of the national total of 3,713,000 tons, with a growth rate that exceeded the national average by 46.8 percentage points [1] - Cumulatively, from January to April 2025, Qinghai's caustic soda production represented 0.9% of the national output of 14,959,000 tons, with a growth rate slightly above the national average by 1.1 percentage points [1]