To effectively control air pollution emissions, we have fully adopted natural gas boilers. The emission situation for 2025 is as follows:
- With 0 sulfur oxide (SOx) emissions.
- In 2025, particulate matter (PM) emissions were 17.59 tons, marking a 9.04% decrease compared to the 19.34 tons emitted in 2024.
- Nitrogen oxide (NOx) emissions were 2.62 tons, showing a 14.09% decrease from 3.05 tons in 2024.
Improvement initiatives:
- We added an odor treatment and monitor system in the Shalu plant.
- Increase the frequency of exhaust pipe washing, and pass the emission standard tests.
- In response to the odor emission violation, We collaborated with the National Taipei University of Technology to enhance the treatment and monitoring of odor pollutants.
- In 2025, we invested NT$8.89 million in additional Odor Removal Equipment and NT$4.04 million in upgrades to production process equipment and maintenance of cyclone separators.
- In 2026, we still allocate a budget to invest odor treatment equipment which collaborated with the National Taipei University of Technology.
We have established strict operational standards for wastewater treatment equipment and ensure regular maintenance. These standards are also promptly updated in accordance with regulatory changes.
Each plant has each own treatment procedures:
- Shalu Plant: Wastewater generated from our processes undergoes treatment at the wastewater treatment facility before being discharged. We also engage a third party accredited agency to regularly inspect the water quality to ensure compliance with discharge standards.
- Other plants and Charming Food: Wastewater is treated according to Industrial Park wastewater processing standards and relevant discharge regulations before being discharged into the Industrial Park wastewater treatment system.
Performance on water recycle and reuse:
- Shalu Plant: In 2025, we recycled 14,385 tons of steam condensate and 12,980 tons of process cooling water.
- Charming Food: In 2025, the recycled wastewater volume reached 56,923 tons, achieving a recycling rate of 20.72%, a 51.06% increase compared to 37,682 tons in 2024. The main reasons are the regular maintenance of the Membrane BioReactor (MBR) and the addition of two high-pressure washers, bringing the total to five, at the tethering site for broiler basket cleaning, which has resulted in an increase in recycled water usage.
Read More| Wastewater Discharge Management | |||||
| Item | National Standard | Year | Jan~ Jun |
Jul~ Dec |
Average |
| Chemical Oxygen Demand (COD) |
<100mg/L | ||||
| 2023 | 20.00 | 45.60 | 32.80 | ||
| 2024 | 38.00 | 10.00 | 24.00 | ||
| 2025 | 10.0 | 75.4 | 42.7 | ||
| Biochemical Oxygen Demand (BOD) |
<30mg/L | ||||
| 2023 | 8.80 | 7.40 | 8.10 | ||
| 2024 | 8.80 | 0.40 | 4.60 | ||
| 2025 | 0.8 | 20.4 | 10.6 | ||
Waste Management
We adhere to the specifications of the "Solid Waste Management Plan" to ensure proper management of all industrial waste generated across our plants. Waste is initially sorted and classified according to regulatory requirement with 13 main category, 33 items and 68 types, then entrusted to qualified waste management companies for transportation and reporting. We also conduct irregular tracking to monitor the final disposal of waste.
2025 Fwusow Industry Operational Waste & Recycle Chart
We adhere to the specifications of the "Solid Waste Management Plan" to ensure proper management of all industrial waste generated across our plants. Waste is initially sorted and classified according to regulatory requirement with 13 main category, 33 items and 68 types, then entrusted to qualified waste management companies for transportation and reporting. We also conduct irregular tracking to monitor the final disposal of waste.
2025 Fwusow Industry Operational Waste & Recycle Chart
| Unit: tons | ||||||||||
| 2025 | Household Garbage | Operational Waste | Recyclable Resource | |||||||
| Plant-based Residue |
Food Waste | Recycled Paper | Recycled Plastic Barrel | Recycled Plastic | Recycled Metal | Recycled Wood | Recycled Glass | Recycled Sawdust Bags |
||
| Shalu Plant | 39.00 | - | - | 49.26 | 4.68 | 69.24 | 58.24 | 49.52 | - | 71.74 |
| Taichung Harbor Plant | 18.72 | 9.05 | 70.66 | 72.51 | 3.56 | 30.98 | 38.57 | 15.21 | 4.63 | - |
| Lukang Plant | 19.00 | - | - | - | - | 11.66 | - | - | - | - |
| Kaohsiung Plant | 25.60 | - | - | - | 0.57 | - | 2.31 | - | - | - |
| Total | 102.32 | 9.05 | 70.66 | 121.77 | 8.81 | 111.88 | 99.12 | 65.73 | 4.63 | 71.74 |
note1：1. 70.66 tons of sludge generated in Taichung Harbor Plant were recycled and produced for fertilizer in Lukang Plant.
note2：2. Resource recycling: Except for household garbage, plantbased residue, a total of 554.34 tons.
note3：3. 111.37 tons of non-recyclable general waste were entrusted to qualified vendors for transportation to treatment facilities.
Fwusow Industry Waste Management Statistics
| Unit:tons | |||
| Item | 2023 | 2024 | 2025 |
| Waste Generated | 117.33 | 145.82 | 111.37 |
| Resource Recylced | 329.08 | 462.71 | 554.34 |
Charming Food Waste Management Summary
| Unit:tons | |||||
| Year\Item | Poultry Manure |
Feather Waste |
Poultry Waste Trash (R-0111) |
Agricultural Sludge (R-0908) |
Total |
| 2023 | 9.8 | 866.36 | 4,389.54 | 438.97 | 5,704.66 |
| 2024 | 7.64 | 808.17 | 4,849.86 | 449.03 | 6,114.70 |
| 2025 | 6.9 | 731.59 | 4,959.82 | 527.86 | 6,226.17 |
The hazardous industrial waste generated during chemical experiments mainly includes:
- Potassium chromate: 0.94 kg stock in the plants at the end of 2025, with 1.01 kg annual removal.
- Sodium cyanide: 1.2 kg stock in the plants at the end of 2025, with 40.01 kg annual removal.
- Acetonitrile: 14.20 kg stock in the plants at the end of 2025.
- Boron trifluoride: 0.34 kg stock in the plants at the end of 2025.
- Chloroform: 0.07 kg stock in the plants at the end of 2025.
- Dichloromethane: annual removal is 30 kg.
