Custom Industrial FPV Drone Expert

I'm seeking an expert to design and build a custom FPV drone tailored for industrial and commercial use.

Key Requirements:

Drone Specifications (Draft Notes Summary)

Flight Capabilities:

Takeoff & Fly Anywhere (manually controlled)

Flight Time: 8 minutes with full payload and
18-20 mins with No load

Safe Control Range: 5 km
Manual Control with GPS Tracking (optional)

Battery Details:
Standard Battery: 4000-4200 mAh
Without Payload: 15–18 minutes

Payload:
Payload Capacity: 1 kg

Dropping Mechanism Planned
Features Checklist:
1. Camera
3. Battery Monitor
4. RTL (return to home)
5. ⁠position hold
6. ⁠Failsafe

Please provide portfolio and relevant project experience with bids.