Building Sansha Control Tower in EVE Online

What it takes to make Sansha Control Tower, straight from the game's own blueprint data: every material and how many of each. The calculator above prices that list at one region's orders and draws the whole chain as a graph.

What goes into one run of Sansha Control Tower

1 unit per run
Material	Per run	Can be built too
Tritanium	3,333,333	no - buy or mine it
Pyerite	555,556	no - buy or mine it
Mexallon	166,667	no - buy or mine it
Isogen	55,556	no - buy or mine it
Nocxium	27,778	no - buy or mine it
Zydrine	44,444	no - buy or mine it
Megacyte	16,666	no - buy or mine it
Amarr Control Tower	1	yes - its own chain

Production runs in whole batches. One run of Sansha Control Tower gives 1 unit, so asking for fewer than that still means one full run - the game has no half runs, and rounding down would quietly tell you to buy the missing pieces.

For what Sansha Control Tower actually is - mass, volume, attributes and the description from the game - see its item page, and for what it trades at right now, its market page.