Shipping oversized cargo from China to the USA requires more than a basic sea freight quote. This guide explains how Sea DDP works for large, heavy and bulky goods, including route selection, customs clearance, duties, U.S. truck delivery, residential access, liftgate service, unloading responsibilities and packaging requirements. It also covers gym equipment, furniture, machinery parts and other oversized products, helping importers compare courier, air freight, LCL, FCL and project cargo options before booking.