All our measuring instruments (especially calipers, paint thickness gauges, and refrigerant pressure gauges) are calibrated quarterly according to ISO quality management system requirements to ensure the data we provide you is objective, accurate, and reliable.

Our freight rate quotes have a clear validity period. If the buyer delays the deposit payment and misses the scheduled price lock, the GRI (General Rate Increase) charged by the shipping company must be fully covered by the buyer before booking and loading can be arranged.

It completely falls under force majeure. After the delivery is completed (crossing the ship's rail) under FOB or CIF terms, the seller (us) bears no liability for refunds or compensation due to political risks or legal changes in the destination country that hinder customs clearance or lead to confiscation.