Inquiry for Plumbing Pipes and Fittings Mozambique

I am luck best supply for pipe and fitting
i need to buy
can you indicate best supply for that
water meter all plastic for drink water supply
1. Clamps
2. High density Poyethylene Tube
3. Compression adapter/thread-male
4. Curves and elbows
5. Bushings and Niplos
6. Ball valve and wedge
7. Hidronil tube
8. Garden taps