Air suspension is very delicate. If, after the vehicle has been stationary for about 12 hours, the height on one side of the vehicle drops more than 1.5 cm when measured from the wheel arch to the tire, we will determine that there is a slight air leak in the air spring or distribution valve on that side and warn you of the high subsequent repair costs.

A proper inspection relies on equipment, not just eyes. The inspector should use a paint thickness gauge to measure 50-60 points across body panels; original paint is typically 80-150 microns. An OBD diagnostic scanner reads stored and pending fault codes across all control units, and for EVs it also reads battery state of health and charge cycle counts. The car must go on a lift for the underbody check: frame rails, suspension components, oil leaks and accident repair marks are only visible from below. A battery tester checks starting voltage and charging system health, and a tread depth gauge documents tire condition. Ask for the report to include raw readings and dated photos rather than a simple pass/fail summary - that is what makes it verifiable.

Both are common, and the right choice depends on budget and destination: 1. Container shipping (20ft/40ft): The car is sealed inside a container, offering better protection and allowing you to load spare parts inside the car. Typical cost from Shanghai to major world ports: $1,500-$3,000 per car. Best for long distances and high-value vehicles. 2. RoRo (roll-on/roll-off): The car is driven onto the ship and secured on deck. Cheaper ($800-$1,800 to most ports) and faster to load, but exposed to weather and port handling. Not all routes offer RoRo service. Transit time examples: to the Gulf 15-25 days, to West Africa 30-45 days, to Latin America 25-40 days, to Europe 20-35 days. Ask your exporter which option serves your destination port, and always insure the shipment for full value.