https://www.royalroad.com/fiction/chapter/2834480
Guan Chyou of the Azure Jade Trading Company loved what was becoming a semi-annual journey north; it was a full third of her year that was spent traveling, and yet, every moment was worth it.
The wind in her hair, the strain of travel, the feeling of adventure… all of it was fantastic. She could tell why her ancestors chose this profession. It was freeing.
They traveled light, making very good time on their horses… and better time on their carts. Their last trip north had allowed them to purchase some miraculous new equipment from Mengde’s Crystal Emporium.
Master Jin had shown them Lady Biyu’s newest creation, the Partial Storage Array. They had tested the new arrays extensively… and now the trading company was buying as many of them as the crystal carvers were selling. The demand was so high they were using their new contacts outside the province to purchase both defective storage crystals, and any spare scraps people had.
Another lucrative venture for them both. They increased the speed at which the caravans could move by over fifty percent when fully laden. Axle and wheel breakdowns were being reduced to a fraction. Animal wear? The beasts practically skipped along the road, and now they could run while fully laden, in case anything went wrong.
It also took nearly five days off the trip north. The gates (...)
https://www.royalroad.com/fiction/chapter/2834480