Core Comparison - Air freight is suitable for urgent orders, high-value goods, and small to medium-sized shipments, with a transit time of 1-3 days and a total delivery time of 5-10 days [4][7] - Sea freight is more appropriate for bulk commodities, low-value goods, and large shipments, with a transit time of 10-20 days and a total delivery time of 15-25 days [4][6] Detailed Comparison and Recommendations - For urgent time requirements, air freight is prioritized [3] - For weight and volume, sea freight is better for bulk goods [3][4] Cost Analysis - Air freight costs approximately 1500-2500 RMB for 100kg, with total costs around 2000-3500 RMB including customs and delivery [8] - Sea freight costs about 800-1500 RMB for 1 ton of cargo, with total costs around 1500-3000 RMB, which is 30%-50% lower than air freight [8] Operational Complexity - Air freight offers a more straightforward process with door-to-door service provided by companies like DHL and FedEx, requiring minimal documentation [4][9] - Sea freight involves more complex logistics, requiring coordination with freight forwarders and more extensive documentation [4][9] Recommendations Based on Cargo Characteristics - High-value, fragile, or time-sensitive goods should opt for air freight [6][9] - Bulk raw materials or low-value goods should consider sea freight [6][9]