1. The standard for ordinary fixed noise reduction complies with ISO3744 regulations. Noise can be reduced to below 65-75 dB (at 7 meters). 2. The container type can be customized with an internal observation room for the crew management personnel to work, office, and live temporarily. 3. The mobile type features low noise, a wheeled chassis with a towing device, allowing for easy movement and balance adjustment, making it suitable for field mobile operations.