Traffic safety products like water-filled barriers and large cones are high-volume, low-value items. To optimize costs, consider stackable designs to maximize container utilization and reduce ocean freight per unit. Negotiate tiered pricing; for instance, ordering a full 40HQ container can often reduce unit costs by 15-25% compared to LCL (Less than Container Load) shipments. Furthermore, sourcing from integrated manufacturers on Made-in-China.com allows for customization of logos and colors at a lower premium.