Q: How long is the delivery time for the order?
A: Standard models are shipped within 15-30 days; custom items take 30-45 days.
Q: Do you provide after-sales service overseas?
A: Yes, we have partner service centers in major regions.
Q: Can I request a custom filter size?
A: Of course! Some of our products can be customized.
Q: What export documents do you provide?
A: Complete export package (commercial invoice, packing list, bill of lading, COC, etc.).
Q: How do I place an order?
A: Contact us via email/phone (WhatsApp) to get a quote, and then confirm with the company manager.