合成橡胶产业日报-20250820

Report Summary 1. Industry Investment Rating No information provided. 2. Core View - Cost supports the supply price of cis - butadiene rubber, but with the restart of some devices, domestic supply may increase significantly. Due to downstream caution and production - sales pressure, procurement may be cautious, and the finished product inventory is expected to rise. The br2510 contract is expected to fluctuate in the range of 11,600 - 12,000 yuan/ton in the short term [2]. 3. Summary by Directory 3.1 Futures Market - The closing price of the main contract for synthetic rubber is 11,715 yuan/ton, down 125 yuan; the main contract position is 35,691, down 89; the 9 - 10 spread is - 10 yuan/ton, unchanged; the total warehouse receipt quantity of butadiene rubber is 2,490 tons, unchanged [2]. 3.2 Spot Market - The mainstream price of BR9000 cis - butadiene rubber from different manufacturers in different regions has decreased to varying degrees, with a maximum decrease of 100 yuan/ton. The basis of synthetic rubber is - 65 yuan/ton, up 25 yuan [2]. 3.3 Upstream Situation - The weekly production capacity of butadiene is 151,100 tons, up 4,200 tons; the capacity utilization rate is 69.69%, down 0.07 percentage points; the port inventory is 20,400 tons, up 5,700 tons; the daily start - up rate of Shandong refineries' atmospheric and vacuum distillation units is 47.52%, up 0.65 percentage points [2]. 3.4 Downstream Situation - The monthly production of cis - butadiene rubber is 129,200 tons, up 6,700 tons; the weekly capacity utilization rate is 64.52%, down 3.65 percentage points; the production profit is - 482 yuan/ton, up 124 yuan; the social inventory is 30,400 tons, down 1,000 tons; the manufacturer's inventory is 23,450 tons, down 700 tons; the trader's inventory is 6,990 tons, down 300 tons [2]. - The weekly start - up rate of domestic semi - steel tires is 72.07%, down 2.28 percentage points; the start - up rate of full - steel tires is 63.09%, up 2.09 percentage points; the monthly production of full - steel tires is 12.75 million, up 130,000; the monthly production of semi - steel tires is 56.97 million, up 1.74 million; the inventory days of full - steel tires in Shandong are 39.51 days, up 0.14 days; the inventory days of semi - steel tires in Shandong are 46.73 days, up 0.28 days [2]. 3.5 Industry News - As of August 14, the inventory of high - cis cis - butadiene rubber sample enterprises in China was 30,400 tons, down 1,000 tons from the previous period, a month - on - month decrease of 3.18% [2]. - As of August 14, the capacity utilization rate of semi - steel tire sample enterprises in China was 69.11%, down 0.60 percentage points month - on - month and 10.55 percentage points year - on - year; the capacity utilization rate of full - steel tire sample enterprises was 62.62%, up 2.56 percentage points month - on - month and 3.69 percentage points year - on - year [2]. - In July 2025, China's cis - butadiene rubber production was 129,200 tons, an increase of 6,700 tons from the previous month, a month - on - month increase of 5.47% and a year - on - year increase of 27.04% [2].