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.

From a technical perspective, China's "National VI B (China VI-b)" is one of the strictest emission standards globally, with limits on carbon monoxide, nitrogen oxides, and particulate matter that are even stricter than some of Europe's Euro VI standards. However, the two are not legally recognized by each other, depending on your country's import regulations.

As the importer, you mainly need to bear the following costs at the destination port: import duties, VAT or GST, terminal handling charges, local customs clearance fees, and inland logistics costs from the port to your company. Please consult your local customs broker before placing an order to accurately calculate the total landing costs.