| Hubei Longbai Titanium |
Sulfuric acid (sulfur-based) |
40 |
Scheduled to cease production by end of June |
TBD |
| Jiangsu Suopu |
Sulfuric acid (sulfur-based) |
30 |
Maintenance on June 30 |
Planned maintenance for 30 days |
| Zhejiang Ningbo Xinfu |
Sulfuric acid (sulfur-based) |
60 |
Maintenance on June 30 |
TBD |
| Gansu Baiyin |
Smelter acid |
15 |
Maintenance on July 1 |
Planned maintenance for 25 days |
| Gansu Jinchuan |
Smelter acid |
80 |
Maintenance on July 2 |
Planned maintenance for 30 days |
| Anhui Zhongyuan |
Pyrite acid |
15 |
Maintenance on July 9 |
Resume operation on August 15 |
| Shandong Wudi Xinyue |
Other acids |
15 |
Maintenance on July 13 |
Planned resume operation on September 11 |
| Shandong Laizhou Jinjia Environmental Protection |
Pyrite acid |
24 |
Maintenance on July 17 |
Resume operation on September 1 |
| Hunan Shuikoushan Nonferrous Metals |
Smelter acid |
12 |
Maintenance on July 25 |
Planned maintenance for 1 month |
| Shandong Lianmeng |
Pyrite acid |
15 |
Maintenance on July 27 |
August 10, 2026 |
| Zhejiang Juhua |
Sulfuric acid (sulfur-based) |
30 |
Maintenance on July 27 |
Resume operation on August 10 |
| Henan Anyang Minshan Energy |
Smelter acid |
10 |
Maintenance on July 29 |
Resume operation on August 6 |
| Inner Mongolia Wuhai Yadong |
Pyrite acid |
40 |
Maintenance on July 29 |
Resume operation on September 1 |
| Liaoning Dashiqiao Shengma |
Smelter acid |
10 |
Maintenance on August 1 |
Resume operation on September 1 |
| Gansu Baiyin |
Smelter acid |
25 |
Maintenance on August 1 |
Planned maintenance for 1 month |
| Jiangsu Suopu |
Sulfuric acid (sulfur-based) |
60 |
Maintenance on August 6 |
Planned maintenance for 15 days |
| Shandong Laiwu Jinshan |
Pyrite acid |
80 |
Maintenance on August 10 |
Planned resume operation on September 13 |
| Shandong Luxi Chemical |
Sulfuric acid (sulfur-based) |
50 |
Maintenance on August 11 |
Resume operation on August 31 |
| Gansu Jinchuan |
Smelter acid |
70 |
Maintenance on August 15 |
Planned maintenance for 1 month |
| Chifeng Mountain Gold Silver Lead |
Smelter acid |
10 |
Maintenance on August 20 |
Planned maintenance for 1 month |
| Henan Yuguang Gold & Lead |
Smelter acid |
30 |
Maintenance on August 20 |
Resume operation on September 20 |
| Inner Mongolia Linhe Xinhai |
Pyrite acid |
16 |
Maintenance on August 25 |
Resume operation on September 20 |
| Henan Wanyang |
Smelter acid |
30 |
Maintenance on August 31 |
Planned maintenance for 1 month |
| Inner Mongolia Xing'an Copper Zinc |
Smelter acid |
20 |
Maintenance in September |
Planned maintenance for 1 month |
| Shaanxi Shuangling |
Pyrite acid |
20 |
Maintenance on September 4 |
Resume operation on September 30 |
| Jilin Dadi |
Pyrite acid |
25 |
Maintenance on September 5 |
September 15, 2026 |
| Shandong Guoda Gold |
Smelter acid |
20 |
Maintenance on September 22 |
Planned maintenance for 30 days |
| Shandong Guoda Gold |
Pyrite acid |
20 |
Maintenance on September 22 |
Planned maintenance for 30 days |
| Guangdong Xianghe Fine Chemical |
Pyrite acid |
12 |
Maintenance on September 26 |
Resume operation on October 10 |
| Zhejiang Heding |
Smelter acid |
75 |
Maintenance on September 27 |
Resume operation on October 25 |
| Shandong Qicheng |
Other acids |
10 |
Maintenance on September 28 |
October 16, 2026 |
| Jilin Dadi |
Pyrite acid |
25 |
Maintenance on October 7 |
November 4, 2026 |
| Anhui Jinpu New Energy |
Pyrite acid |
30 |
Maintenance on October 7 |
Resume operation on October 21 |
| Henan Jinli Gold & Lead |
Smelter acid |
30 |
Maintenance on October 8 |
Planned maintenance for 1 month |
| Shandong Yanggu |
Smelter acid |
170 |
Maintenance on October 9 |
Planned maintenance for 25 days |
| Henan Yuguang Gold & Lead |
Smelter acid |
20 |
Maintenance on October 9 |
Planned maintenance for 1 month |
| Anhui Jinxin |
Smelter acid |
170 |
Maintenance on October 10 |
Planned resume operation on October 31 |
| Shandong Binhua |
Other acids |
7.5 |
Maintenance on October 10 |
November 10, 2026 |
| Liaoning Huludao Zinc Industry |
Smelter acid |
100 |
Maintenance on October 10 |
Planned maintenance for 40 days |
| Hunan Hengguang |
Pyrite acid |
30 |
Maintenance on October 10 |
Resume operation on November 2 |
| Jiangxi Kaixin |
Pyrite acid |
24 |
Maintenance on October 10 |
Planned maintenance for 30 days |
| Shandong Jiangtong Guoxing |
Smelter acid |
93 |
Maintenance on October 12 |
Planned maintenance for 30 days |
| Sichuan Liangshan Mining |
Smelter acid |
45 |
Maintenance on October 15 |
Planned maintenance for 1 month |
| Guangxi Jinchuan Nonferrous |
Smelter acid |
180 |
Maintenance on October 19 |
Planned maintenance for 45 days |
| Hebei Tangshan Baoshun Industrial |
Sulfuric acid (sulfur-based) |
20 |
Maintenance on October 21 |
November 1, 2026 |
| Hebei Tangshan Huayi Industrial |
Sulfuric acid (sulfur-based) |
35 |
Maintenance on October 20 |
November 1, 2026 |
| Shanxi Northern Copper |
Smelter acid |
80 |
Maintenance on October 25 |
Planned maintenance for 1 month |
| Hebei Qinhuangdao Hexiang |
Pyrite acid |
25 |
Maintenance on October 25 |
TBD |
| Shandong Zhongnong Cargill Environmental Protection |
Pyrite acid |
45 |
Maintenance on October 31 |
TBD |
| Shandong Xintai Mingrui Chemical |
Pyrite acid |
30 |
Maintenance on October 31 |
November 10, 2026 |
| Shandong Wudi Xinyue Chemical |
Other acids |
15 |
November 6, 2026 |
TBD |
| Jiangxi Copper (Dexing) |
Pyrite acid |
50 |
Maintenance on November 10 |
Planned maintenance for 1 month |
| Jiangxi Copper (Jinde) |
Smelter acid |
16 |
Scheduled maintenance on November 15 |
Planned maintenance for 1 month |
| Jiangxi Copper (Guixi) |
Smelter acid |
120 |
Scheduled maintenance on November 13 |
Planned maintenance for 25 days |
| Yunnan Yunxi Copper |
Smelter acid |
44 |
Scheduled maintenance on November 16 |
Planned maintenance for 45 days |
| Fujian Zijin Copper |
Smelter acid |
100 |
Maintenance on November 4 |
Planned maintenance for 23 days |
| Guangdong Shaoguan Guangbao |
Pyrite acid |
13 |
Scheduled maintenance on November 16 |
Planned maintenance for 45 days |
| Yunnan Yimen Copper |
Smelter acid |
42 |
Scheduled maintenance on December 1 |
Planned maintenance for 45 days |
| Guangdong Lianfa |
Pyrite acid |
20 |
Scheduled maintenance in mid-December |
Planned maintenance for 30 days |
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