Titanium:
Sell: Lima, Loki
Buy: Fachalla, Nijam

Silicium:
Sell: Ferox, Krespo
Buy: Serendo, Morlach

Chrome:
Sell: Ferox,Tenno
Buy: Chelos, Shiva

Lithium:
Sell: Fachalla,Krespo
Buy: Delfos,Morca

Whale Oil:
Sell: Chelos, Karpost
Buy: Tanis, Ferox

Crude Oil:
Sell:
Buy: Sonaris

Natural Gas:
Sell: Paralax,Karpost
Buy: Serendo, Shiva

Phosphorus:
Sell: Serendo,Tenno
Buy: Paralax,Taranis


Uranium:
Sell: Delfos,Taranis
Buy: Skiron,Karpost


Platinum:
Sell: Chelos, Nijam
Buy: Lima,Krespo

Lead:
Sell: Paralax,Shiva
Buy: Ferox,Loki

Carbon:
Sell: Paralax,Morca
Buy: Skiron,Nijam

Fuse:
Sell: Delfios,Loki
Buy: Delfos

Brass:
Sell: Ferox, Nexolis
Buy: Delfios, Sonaris

Magnesium:
Sell: Skiron,Shiva
Buy: Delfios, Namia

Maganese:
Sell: Sonaris
Buy: Nexolis, Karpost

Plutonium:
Sell: Tanis,Shael,Namia,Sonaris
Buy: Serendo, Shiva

Sea Shell:
Sell:
Buy: Tanis

Beryllium:
Sell: Tanis, Nexolis
Buy:


A simple trade route that i found is from Paralax to Serendo. you can buy Phosphor at Paralax and sell it at Serendo. Then buy Gas at Serendo and sell at Paralax.