The lifespan of rubber sealing strips for frameless doors is usually only 4-5 years. We carefully press the sealing strip at the edge of the roof to check for loss of elasticity and use a high-pressure water gun to wash the seams of the windows to check for direct water leakage due to aging.

Due to legal restrictions preventing unregistered vehicles from high-speed driving on public roads in China, most of our dynamic tests are conducted in a closed area (with a maximum speed of around 60 km/h). This is sufficient to test for suspension noise and low gear smoothness, but it cannot simulate high-speed wind noise and tire balance vibrations at 120 km/h.

RoRo (roll-on/roll-off) is cheaper and faster for a single car—you drive it onto the vessel and it is secured on the car deck. Container shipping costs more but offers better protection from weather, salt air, and handling damage, and allows you to load spare parts inside the car. Marine insurance is essential either way. Standard cover protects total loss and major damage, but read the exclusions: many policies do not cover pre-existing mechanical faults, cosmetic scratches below a deductible, or damage caused by improper securing (lashings). Ask for ICC(A) or All Risks coverage rather than basic total-loss-only policies. Practical tips: 1. Photograph and video the car thoroughly at loading, with the VIN visible 2. Note existing scratches on the bill of lading 3. Inspect immediately at destination—claims windows are often 3-7 days 4. For EVs, declare the battery; some insurers charge a supplement or exclude battery damage altogether