We require complete cold storage plant machinery systems with following specifications:

For 500 MT Capacity:
- Total capacity: 500 metric tons
- 4 storage rooms (125 MT each)
- 2 condensing units per room (outdoor type)
- Temperature maintenance at 2°C
- Humidity control 85-90%
- 380V/3-phase/50Hz power supply

For 3000 MT Capacity:
- Total capacity: 3000 metric tons
- 10 storage rooms (sizes to be finalized with engineering team)
- Same electrical specifications as above

Technical requirements:
- Compressor units must originate from Europe/America
- Fully automated operating system with computer data connectivity
- Separate quotations required for both Freon and Ammonia systems
- Design drawings must accompany quotation

Please provide detailed technical specifications, system design proposals and competitive pricing. All documentation should be included in your formal quotation.