On March 23, 2026, the Jiangsu Provincial Department of Ecology and Environment issued the "Notice on Publishing the List of Key Enterprises for Mandatory Cleaner Production Audits in the First Batch of 2026." Chasel Electronic Materials (Wuxi) Co., Ltd. is included in the list of enterprises subject to mandatory cleaner production audits. In accordance with the relevant provisions of the "Cleaner Production Audit Measures," the company has disclosed its information and commenced preparations for cleaner production.
According to the "Clean Production Audit Measures," Changse Electronic Materials (Wuxi) Co., Ltd. falls under the category specified in Article 8, Paragraph (3) as "enterprises engaged in production using toxic or hazardous raw materials or emitting toxic or hazardous substances during production." The relevant information is now publicly disclosed as follows:
(1) Company Name: Changse Electronic Materials (Wuxi) Co., Ltd
(2) Legal representative: Takuyuki Hashimoto
(3) Enterprise address: No. 3 Xixia Road, Xinwu District, Wuxi City
(4) Name, quantity, and purpose of using toxic and harmful raw materials:
The raw materials and auxiliary materials used by Changse Electronic Materials (Wuxi) Co., Ltd. are as follows:
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Raw materials and accessories used by Changse Electronic Materials (Wuxi) Co., Ltd |
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Main products (annual output of environmental impact assessment) |
Main raw and auxiliary materials (annual consumption for environmental impact assessment) |
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Name |
Quantity (unit) |
Name |
Quantity (unit) |
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Modified epoxy resin encapsulation material |
5000 t/a |
Bisphenol A-type epoxy resin |
2600t/a |
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Aluminum hydroxide |
335 t/a |
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Methyl tetrahydrophthalic anhydride |
1215t/a |
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Silicon dioxide |
205t/a |
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Hexahydrophthalic anhydride |
80t/a |
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Poly (propylene glycol) |
145t/a |
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Polyamide |
22t/a |
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Additive |
178t/a |
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Propylene glycol methyl ether |
5t/a |
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Dicyandiamide |
125t/a |
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Modified aliphatic polyamines |
110t/a |
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(5) Name, concentration, and quantity of toxic and harmful substances emitted:
Changse Electronic Materials (Wuxi) Co., Ltd. will emit (organized) particulate matter ≤ 0.024 tons, volatile organic compounds (VOCs) ≤ 0.44 tons, etc. by 2025; Water pollutants (assessment amount for takeover): total wastewater discharge from sewage outlets ≤ 13073 tons, COD ≤ 0.107 tons, ammonia nitrogen ≤ 0.002 tons, total nitrogen ≤ 0.047 tons, total phosphorus ≤ 0.001 tons, etc;
(6) Generation and disposal of hazardous waste
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Hazardous waste code |
Hazardous waste name |
Annual transfer volume（t） |
Disposal unit |
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900-404-06 |
Waste organic solvent |
2 |
Wuxi Tianyuan Environmental Protection Technology Co., Ltd |
|
900-404-06 |
Solvent containing wastewater |
0.5 |
Wuxi Tianyuan Environmental Protection Technology Co., Ltd |
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900-214-08 |
Waste mineral oil |
0.25 |
Wuxi Tianyuan Environmental Protection Technology Co., Ltd |
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900-014-13 |
Inspect non-conforming products |
5.97 |
Gaoyou Kangbo Environmental Resources Co., Ltd |
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900-014-13 |
Waste samples |
4.55 |
Gaoyou Kangbo Environmental Resources Co., Ltd |
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900-041-49 |
Waste packaging bucket |
50.17 |
Yixing Jinjike Environmental Protection Technology Co., Ltd Wuxi Tianyuan Environmental Protection Technology Co., Ltd Jiangsu Haohan Container Cleaning Co., Ltd |
|
900-014-13 |
Scrap |
4.25 |
Gaoyou Kangbo Environmental Resources Co., Ltd |
|
900-039-49 |
waste activated carbon |
0.25 |
Wuxi Industrial Waste Safety Disposal Co., Ltd |
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900-041-49 |
Waste packaging bag |
6.12 |
Wuxi Industrial Waste Safety Disposal Co., Ltd |
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900-041-49 |
Waste glass samples |
0.5 |
Wuxi Industrial Waste Safety Disposal Co., Ltd |
|
900-041-49 |
Waste filter screen |
0.28 |
Wuxi Industrial Waste Safety Disposal Co., Ltd |
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900-041-49 |
Waste rag |
15.67 |
Wuxi Industrial Waste Safety Disposal Co., Ltd |
(7) Implementation of environmental risk prevention and control measures in accordance with the law:
Changse Electronic Materials (Wuxi) Co., Ltd. strengthens production and environmental management, develops and implements environmental risk emergency plans and accident prevention measures. To prevent various accidents from occurring, strengthen the management of raw materials, environmental protection facilities, especially toxic and harmful raw materials, exhaust emissions, and hazardous waste, and eliminate the environmental impact of accident emissions. Changse Electronic Materials (Wuxi) Co., Ltd. has prepared an enterprise environmental risk plan and filed it, with filing number 320214-2023-151-L
