I need to purchase 5 sets of multi-channel data recorders with the following specifications:  
1. Technical Requirements:  
- 2/4/6/10/12 expandable input channels  
- Supports thermocouple (B,E,J,K,N,R,S,T,W), RTD (Pt100,JPt100), DC voltage/current inputs  
- 25ms sampling rate for all channels  
- Voltage range: -20mV to 20V; Current: 4-20mA via shunt  
- 5.5" TFT LCD display (320x240 resolution) with multiple display modes  

2. Storage & Communication:  
- 200MB internal memory + CompactFlash/USB expansion  
- Ethernet (100Base-TX/10Base-T), RS-422/485 (Modbus), USB 2.0 interfaces  

Delivery required within 2 months. Please provide quotation meeting these exact specifications.