Natural raw human hair to buy

Hello,
Since I am new for this market, reliability and long term relation is important.
I need sample to confirm quality with our customers.
Sample requirement:
- Raw natural human hair (no-processed):
1 piece bonded 16"
1 piece bonded 18"
- Washed and processed bundle
1 piece 14"

Please make your best price offer for:

raw hair (all dark)
1- 14" > $/kg
2- 16" > $/kg
3- 18" > $/kg

processed
1- 14" > 0.5/0.7/1.0 g/strand > $/kg (if not possible $/piece)
2- 16" > 0.5/0.7/1.0 g/strand > $/kg (if not possible $/piece)

Ferhat Kuscu
Industrial Engineer
Turkey