At HONG RUI SHENG, we’ve spent years perfecting our formulas. From an importer’s perspective, even a $1 difference per kilo isn’t just “small change”—it can literally make or break your profits by thousands of dollars over the course of a year. That’s why we’ve put this guide together. We’re going to dive into the real numbers, those pesky hidden costs, and our strategy for keeping our partners’ margins healthy.