We are looking for barrel saunas with the following specifications:  
1. Dimensions: 180*240 (exterior measurement)  
2. Material: Canadian wood (3.8 grade)  
3. Heating system: 9kW heater  
4. Glass requirement: Shingle glass installation  
5. Exclusion: No porch design required  

Please provide:  
- Product catalog with detailed images  
- MOQ for custom specifications  
- Price breakdown per unit  
- Production lead time  
- Available certification documents  

Suppliers with experience in premium outdoor saunas preferred.