We use two steps: 1. Insert a medical-grade endoscope through the spark plug hole to visually inspect cylinder wall scratches and carbon buildup on the piston top; 2. Extract an engine oil sample to check for large metal debris or emulsification (caused by coolant leakage).

Yes, but you must provide a legally certified Power of Attorney (POA) authenticated by your country's notary or embassy. Contracts signed without legal authorization will not be recognized by our Ministry of Justice.

We are only responsible for delivering the goods to your designated transshipment port (such as Jebel Ali Port in Dubai). The warehousing fees, customs clearance fees, and storage fees for re-export within the free trade zone need to be calculated separately with local freight forwarders.