Products' Factories

in this section you can purchase refine factories of products, the factories will stay permanently. You have to buy products to refine only from the market or the trade shop. You can’t refine products obtained by dwarfs, you can only sell it in the trade shop or the market. The crystals refine during 12 hours into gems, so you can sell the gems in the trade shop and the market again. Refine factories are allowed for purchasing from 20 level.
Recoupment of the factories occurs after 100 refinement of the products, then you get net profit.

There are 6 types of factories:

- Rubin factory, available from 20 level, cost 3.00 USD.
Refines 110 red crystals into 100 rubins, you can sell it in the "Trade Shop".

- Emerald factory, available from 25 level, cost 6.00 USD.
Refines 110 green crystals into 100 emeralds, you can sell it in the "Trade Shop".

- Diamond factory, available from 30 level, cost 12.00 USD.
Refines 110 white crystals into 100 diamonds, you can sell it in the "Trade Shop".

- Sapphire factory, available from 35 level, cost 30.00 USD.
Refines 110 blue crystals into 100 sapphires, you can sell it in the "Trade Shop".

- Gold factory, available from 40 level, cost 60.00 USD.
Refines 100 gold ore into 100 gold, you can sell it in the "Goods' Market".

- Potash factory, available from 45 level, cost 300.00 USD.
Refines 100 potassium salt into 100 boxes of potash, you can sell it in the "Goods' Market". The most profitable factory.