Building Sansha Control Tower Small in EVE Online

What it takes to make Sansha Control Tower Small, 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 Small

1 unit per run
Material	Per run	Can be built too
Tritanium	833,333	no - buy or mine it
Pyerite	138,889	no - buy or mine it
Mexallon	41,667	no - buy or mine it
Isogen	13,889	no - buy or mine it
Nocxium	6,944	no - buy or mine it
Zydrine	11,112	no - buy or mine it
Megacyte	4,166	no - buy or mine it
Amarr Control Tower Small	1	yes - its own chain

Production runs in whole batches. One run of Sansha Control Tower Small 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 Small 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.