40µm × 12mm Optical Slit, Ø18.0 Stainless Steel Plate

How long does shipment take?

Order preparation usually takes 3–5 working days before shipment.

After the order is shipped, international delivery usually takes around 3–10 days, depending on the destination country and local delivery process.

How will my order be delivered?

We use e-commerce logistics to deliver the order to you.

The general process is:

1. Order processing — payment is checked and stock is confirmed.
2. Packing — the product is picked, packed, and prepared for shipment.
3. Carrier hand-off — the package is passed to the logistics provider.
4. Last-mile delivery — the local courier delivers the package to your address or collection point.

When will I receive the tracking number?

The tracking number is usually available only after the package reaches the last-mile courier stage.

This means tracking may not appear immediately after the order is packed or shipped.