Ir Receiver Sensor

We are seeking quotation for particle sensors model IR-LED.  
Annual purchasing quantity is approximately 100,000 units.  
Required delivery timeline is by September 1st.  
Please provide specifications and pricing details for evaluation.

Inquiry about  IR Receiver

Inquiry About ir receiver module

Hello. My name is Assema fron Kazakhstan. I m looking for IR Radiator,25m, cascade can be 500m transmission distance old model  TS-0670H-8 - 2 pieces and Battery charger, for 30 IR receiver charge at the same time TS-0670HC- 2 pieces