Verifying Chinese car stock starts with the vehicle's identity, then the promises attached to it. The concrete evidence is dated video of the actual vehicle, a recognizable VIN and nameplate, and proof of stock ownership and the expected delivery milestone. Ask for same-day footage of the vehicle from all sides, the nameplate and the VIN, plus proof of stock ownership.
The VIN fields of stock vehicles can be checked against the content and structure of ISO 3779:2009, so you don't rely on a marketing name alone. At the quotation stage, also see How should dealers plan body parts inventory for Chinese cars after launch?. Verification of Chinese car stock is ultimately governed by the local rules and written confirmations in force at the time of processing.

