During the week of October 23–29, 2026, mainland China’s DOTP production reached 40,700 tons, an increase of 300 tons from the previous period, representing a week-on-week (WoW) growth of 0.74%. The average weekly capacity utilization rate stood at 59.80%, up 0.32 percentage points WoW. New restarts occurred this week, such as Zhejiang Hongbo, while new short shutdowns were recorded, including Ningbo Nanya. Current industry operating rates are around 60%, reflecting a moderate level for the year, with expectations of a potential rise next week. (Note: Starting October 1, the DOTP industry added 150,000 tons/year in new capacity from Guangdong Lingchuang Chemical Materials Co., Ltd., adjusting the total DOTP capacity coefficient to 3.35 million tons/year.)
China DOTP Weekly Production Data Comparison
Unit: 10,000 tons
| Item | Current Period | Previous Period | WoW Change |
|---|---|---|---|
| Production Volume | 4.07 | 4.04 | +0.74% |
| Capacity Utilization Rate | 59.80% | 59.48% | +0.32 pp |
Data Source: Chempricehub Information
| Figure 1: Trend Comparison of China’s Weekly DOTP Production (Unit: 10,000 tons/week) | Figure 2: Trend Comparison of China’s Weekly DOTP Capacity Utilization Rate |
|---|---|
| Data Source: Chempricehub Information | Data Source: Chempricehub Information |
Sample Description:
Capacity Utilization Rate: Refers to the degree to which a company’s capacity is utilized, generally calculated as the ratio of product output or raw material processing volume to effective capacity. The capacity utilization rate tracked by Chempricehub for DOTP refers to the industry-wide total capacity utilization rate. The weekly DOTP capacity utilization rate data = China’s weekly DOTP industry production / China’s weekly DOTP industry capacity.
Statistical Scope: Chempricehub’s weekly DOTP capacity utilization data consists of primary statistical data. The sample covers 33 domestic high-purity DOTP producers, 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 at 17:00 on Thursdays (business days).
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