The Gold-ingot auction is for players to trade Gold-ingots between each other, for player's personal gain.

Gold-Ingot Trade Introduction

Purchasing and Selling Gold-Ingots
Gold-Ingots are traded as Gold. After the trade is complete, the number of Gold-Ingots traded will be deducted from your account. Also, you must pay 1% of trade price as a commission. If the Gold-Ingots are not sold within 1 hour, the Gold-Ingots leftover will be returned to your account. But the commission will not be refunded. After every successful trade, the Gold obtained will be sent to you in the form of system mail.
Tip: Every trade should be at least 100 Gold-Ingots.

Gold-Ingot Trade Structure Introduction

Sales Volume
The number of Gold-Ingots sold by Players during every trade

Unit Price
The number of Gold players must pay per Sales Volume.