During the week of October 2–8, 2026, mainland China’s DOTP output totaled 35,400 tonnes, a decrease of 3,100 tonnes from the previous period, representing an 8.05% decline. The average weekly capacity utilization rate stood at 54.66%, down 4.66 percentage points week-on-week. This period coincided with the National Day holiday, during which several units underwent short shutdowns, including Weilianda, Shiyue New Materials, Huangshan Hanghua, and Inner Mongolia Heshunchang. However, DOTP units have gradually restarted since the holiday. Today, Ningbo Nanya added to the list of idle units. Current capacity utilization is approximately 55%, placing it in the lower-middle range for the year.
Weekly Comparison of China’s DOTP Production Data
Unit: 10,000 tonnes
| Item | Current Period | Previous Period | Change (WoW) |
|---|---|---|---|
| Output | 3.54 | 3.85 | -8.05% |
| Capacity Utilization Rate | 54.66% | 59.32% | Down 4.66 pct pts |
Data Source: Chempricehub Information
| Figure 1: Weekly Trend of China’s DOTP Production (Unit: 10,000 t/week) | Figure 2: Weekly Trend of China’s DOTP Capacity Utilization Rate |
|---|---|
| Data Source: Chempricehub Information | Data Source: Chempricehub Information |
Sample Description:
Capacity Utilization Rate: Refers to the degree of utilization of an enterprise’s production capacity, generally calculated as the ratio of product output or raw material processing volume to effective capacity. The capacity utilization rate for DOTP reported by Chempricehub Information refers to the industry-wide total capacity utilization rate. The weekly DOTP capacity utilization rate = China’s weekly DOTP industry output / China’s weekly DOTP industry capacity.
Statistical Scope: The weekly DOTP capacity utilization data provided by Chempricehub Information is based on primary statistical data. The sample covers 33 domestic refined DOTP production enterprises, achieving a 100% sample coverage rate. The statistical period runs from Friday of the previous week to Thursday of the current week. Data is released every Thursday at 17:00 on working days.
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