| Fujian Southeast Copper |
Smelter Acid |
148 |
Jan 3 |
Jan 24 |
| Guangdong Shaoguan Guangbao |
Pyrite-based Acid |
13 |
Jan 10 |
Jan 25 |
| Guangdong Huizhou Shengda New Materials |
Sulfuric Acid (Sulfur) |
60 |
January |
TBD |
| Hebei Kaitai Chemical |
Pyrite-based Acid |
15 |
Mid-January Shutdown |
Mar 25 |
| Shandong Xintai Mingrui Chemical |
Pyrite-based Acid |
30 |
Jan 28 |
Feb 2 |
| Hunan Zhuzhou Smelter |
Smelter Acid |
60 |
Feb 3 |
1-week maintenance |
| Hubei Yangxin Hongsheng Copper |
Smelter Acid |
150 |
Feb 5 |
1-week maintenance |
| Guangdong Jintai Chemical |
Pyrite-based Acid |
20 |
Feb 24 |
23-day maintenance |
| Shandong Shangneng |
Other Acids |
4 |
Mar 6 |
Mar 20 |
| Henan Xinling Lead |
Smelter Acid |
40 |
Mar 10 |
1-month maintenance |
| Yunnan Southwest Copper |
Smelter Acid |
140 |
Mar 11 |
May 3 |
| Shandong Xingya |
Sulfuric Acid (Sulfur) |
20 |
Mar 12 |
Mar 31 |
| Henan Yuguang Gold & Lead |
Smelter Acid |
15 |
Mar 10 |
1-month maintenance |
| Shandong Jincheng Petrochemical |
Other Acids |
25 |
Mar 13 |
Apr 4 |
| Xinjiang Wuxin Copper |
Smelter Acid |
50 |
Mar 16 |
20-30 day maintenance |
| Zhejiang Heding Copper |
Smelter Acid |
70 |
Mar 18 |
1-month maintenance |
| Zhejiang Ningbo Xinfu |
Sulfuric Acid (Sulfur) |
60 |
Mar 19 |
1-month maintenance |
| Henan Central Plains Gold |
Smelter Acid |
150 |
Mar 23 |
End of April |
| Inner Mongolia Wuhai Yadong |
Smelter Acid |
40 |
Mar 25 |
Early May 2026 |
| Guangxi Southern Copper |
Smelter Acid |
160 |
Scheduled for March |
Rotating maintenance |
| Zhejiang Jiahua |
Sulfuric Acid (Sulfur) |
30 |
Apr 1 |
May 6 |
| Panjin Haoye |
Other Acids |
15 |
Scheduled for early April |
Maintenance until July |
| Ningxia Kaidi |
Pyrite-based Acid |
12 |
Apr 8 |
20-day maintenance |
| Qinghai Copper |
Smelter Acid |
66 |
Apr 10 |
30-day maintenance |
| Hebei Cangzhou Xulong Chemical |
Sulfuric Acid (Sulfur) |
50 |
Apr 20, 2026 |
TBD |
| Shandong Yantai Hebang |
Smelter Acid |
45 |
Apr 25, 2026 |
Mid-June |
| Guangdong Xianghe Chemical |
Pyrite-based Acid |
20 |
Apr 25 |
1-month maintenance |
| Guangxi Chuanjinnuo |
Sulfuric Acid (Sulfur) |
30 |
May 1 Suspension |
TBD |
| Shandong Yantai Hebang |
Smelter Acid |
50 |
May 8, 2026 |
30-day maintenance |
| Shandong Jianlong |
Sulfuric Acid (Sulfur) |
10 |
May 6, 2026 |
Jun 10 |
| Yunnan Dianzhong Nonferrous |
Smelter Acid |
50 |
May 6 |
20-day maintenance |
| Shandong Yingxuan |
Sulfuric Acid (Sulfur) |
40 |
May 7 |
TBD |
| Anhui Tongling Nonferrous |
Smelter Acid |
180 |
May 7 |
50-day maintenance |
| Gansu Baiyin |
Smelter Acid |
70 |
May 7 |
Late June |
| Gansu Jinchuan |
Smelter Acid |
120 |
May 8 |
End of June |
| Shandong Mingda Chemical |
Sulfuric Acid (Sulfur) |
12 |
May 8 |
42-day maintenance |
| Henan Yuguang Gold & Lead |
Smelter Acid |
60 |
May 12 |
Jun 9 |
| Shandong Xingya |
Sulfuric Acid (Sulfur) |
20 |
May 17 |
TBD |
| Shandong Binyang Fuel & Chemical |
Other Acids |
10 |
May 25 |
Jul 5 |
| Shandong Minji |
Sulfuric Acid (Sulfur) |
30 |
May 26 |
TBD |
| Guangxi Guinan Chemical |
Sulfuric Acid (Sulfur) |
23 |
May 26 Suspension |
TBD |
| Weihai Hebang |
Smelter Acid |
80 |
May 29 |
Jul 3, 2026 |
| Anhui Jinxuan |
Sulfuric Acid (Sulfur) |
60 |
Jun 1 |
10-day maintenance |
| Sichuan Zigong Hongyi |
Pyrite-based Acid |
25 |
Early June |
Jun 20 |
| Hubei Nanzhang Longmang Phospho-Chemical |
Sulfuric Acid (Sulfur) |
30 |
Jun 6 Suspension |
TBD |
| China Nonferrous Kubo Hongye Zinc |
Smelter Acid |
44 |
Jun 8 |
Jul 10 |
| Shandong Guoda Gold |
Smelter Acid |
20 |
Jun 10 |
30-day maintenance |
| Shandong Guoda Gold |
Pyrite-based Acid |
20 |
Jun 10 |
Jun 29 |
| Shandong Yatong Petrochemical |
Other Acids |
35 |
Jun 10 |
Jul 18 |
| Shandong Qicheng |
Other Acids |
20 |
Jun 11 |
Jul 1 |
| Hubei Yangxin Hongsheng Copper |
Smelter Acid |
150 |
Jun 13 |
Aug 10 |
| Hunan Zhuye |
Smelter Acid |
25 |
Jun 15 |
15-day maintenance |
| Shandong Shangneng |
Other Acids |
4 |
Jun 16 |
Jul 27 |
| Shandong China Lingnan |
Smelter Acid |
120 |
Jun 20, 2026 |
Jul 18 |
| Shandong Shengxing |
Other Acids |
10 |
Jun 23 |
Jul 1 |
| Shandong Kelida |
Other Acids |
3 |
Jun 23 |
15-day maintenance |
| Shandong Shenchi Chemical |
Other Acids |
5 |
Jun 24 |
Jul 22 |
| Shandong Dongying United Petrochemical |
Other Acids |
15 |
Jun 25 |
Aug 14, 2026 |
| Bayannur Feishang |
Smelter Acid |
40 |
Jun 25 |
20-day maintenance |
| Bayannur Zijin |
Smelter Acid |
40 |
Jun 25 |
3-month maintenance |
| Hubei Lomon Billions Titanium |
Sulfuric Acid (Sulfur) |
40 |
Scheduled for end of June |
TBD |
| Jiangsu Suopu |
Sulfuric Acid (Sulfur) |
30 |
Jun 30 |
30-day maintenance |
| Zhejiang Ningbo Xinfu |
Sulfuric Acid (Sulfur) |
60 |
Jun 30 |
TBD |
| Gansu Baiyin |
Smelter Acid |
15 |
Jul 1 |
25-day maintenance |
| Gansu Jinchuan |
Smelter Acid |
80 |
Jul 2 |
30-day maintenance |
| Anhui Zhongyuan |
Pyrite-based Acid |
15 |
Jul 9 |
Aug 15 |
| Shandong Wudi Xinyue |
Other Acids |
15 |
Jul 13 |
Sep 11 |
| Shandong Laizhou Jinjia Environmental Protection |
Pyrite-based Acid |
24 |
Jul 17 |
Sep 1 |
| Hunan Shuikoushan Nonferrous |
Smelter Acid |
12 |
Jul 25 |
1-month maintenance |
| Shandong Lianmeng |
Pyrite-based Acid |
15 |
Jul 27 |
Aug 10, 2026 |
| Zhejiang Juhua |
Sulfuric Acid (Sulfur) |
30 |
Jul 27 |
Aug 10 |
| Henan Anyang Minshan Energy |
Smelter Acid |
10 |
Jul 29 |
Aug 6 |
| Inner Mongolia Wuhai Yadong |
Pyrite-based Acid |
40 |
Jul 29 |
Sep 1 |
| Liaoning Dashiqiao Shengma |
Smelter Acid |
10 |
Aug 1 |
Sep 1 |
| Gansu Baiyin |
Smelter Acid |
25 |
Aug 1 |
1-month maintenance |
| Jiangsu Suopu |
Sulfuric Acid (Sulfur) |
60 |
Aug 6 |
15-day maintenance |
| Shandong Laiwu Jinshan |
Pyrite-based Acid |
80 |
Aug 10 |
Sep 13 |
| Shandong Luxi Chemical |
Sulfuric Acid (Sulfur) |
50 |
Aug 11 |
Aug 31 |
| Gansu Jinchuan |
Smelter Acid |
70 |
Aug 15 |
1-month maintenance |
| Chifeng Mountain Gold Silver Lead |
Smelter Acid |
10 |
Scheduled for Aug 20 |
1-month maintenance |
| Henan Yuguang Gold & Lead |
Smelter Acid |
30 |
Aug 20 |
1-month maintenance |
| Henan Wanyang |
Smelter Acid |
30 |
Aug 31 |
1-month maintenance |
| Liaoning Huludao Zinc Industry |
Smelter Acid |
100 |
Scheduled for Q3 |
1-month maintenance |
| Inner Mongolia Xing'an Copper-Zinc Smelting |
Smelter Acid |
20 |
Scheduled for September |
1-month maintenance |
| Shandong Guoda Gold |
Smelter Acid |
20 |
Scheduled for Sep 22 |
30-day maintenance |
| Shandong Guoda Gold |
Pyrite-based Acid |
20 |
Scheduled for Sep 22 |
30-day maintenance |
| Henan Jinli Gold & Lead |
Smelter Acid |
30 |
Scheduled for mid-to-late Sept |
1-month maintenance |
| Anhui Jinpu New Energy |
Pyrite-based Acid |
30 |
Scheduled for end of Sept |
15-day maintenance |
| Guangxi Jinchuan Nonferrous |
Smelter Acid |
180 |
Scheduled for October |
45-day maintenance |
| Shandong Yanggu |
Smelter Acid |
170 |
Scheduled for Oct 9 |
25-day maintenance |
| Henan Yuguang Gold & Lead |
Smelter Acid |
20 |
Scheduled for Oct 9 |
1-month maintenance |
| Sichuan Liangshan Mining |
Smelter Acid |
45 |
Scheduled for Oct 10 |
1-month maintenance |
| Shandong Jiangtong Guoxing |
Smelter Acid |
93 |
Scheduled for Oct 12 |
30-day maintenance |
| Anhui Jinxin |
Smelter Acid |
170 |
Scheduled for November |
20-day maintenance |
| Jiangxi Copper |
Smelter Acid |
120 |
Scheduled for November |
25-day maintenance |
| Zhejiang Heding |
Smelter Acid |
75 |
Scheduled for November |
30-day maintenance |
| Yunnan Tin Copper |
Smelter Acid |
44 |
Scheduled for November |
45-day maintenance |
| Fujian Zijin Copper |
Smelter Acid |
100 |
Scheduled for Nov 4 |
23-day maintenance |
| Yunnan Yimen Copper |
Smelter Acid |
42 |
Scheduled for December |
45-day maintenance |
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