1. Pot magnets, also called Cup Magnets, Magnetic Holders or Magnet Hooks, are made of permanent magnet encased in a metal pot, and feature a hole, thread, boss or removable hook in centre of the magnets. The pot is an essential part of the magnetic circuit. the active magnet face is not enclosed. When Pot magnets hold any metal parts, the magnetic force in this circuit is stronger than that of alone magnet. It is the most efficient design for gripping, also provide an easy, non-destructive way to suspend objects or attach them to metal.

2. Material: Outside is Fe, inside is magnet.
Magnet can be: NdFeB, Alnico, SmCo, Ferrite.
Surface can be Zn, Ni, Cr, Epoxy, painting, Rubber cover etc.
3. Application:
Hanging signs and lights

Fastening antennas
Holding tarps

Making retrieval tools
Holding through non-ferrous materials
Use for fastening or holding steel doors
Insertion into molds
Insertion into fixtures
For car roof signs.

usually inner carton -→ outer box (singer layer and double layer) -→ pallet and can be packaged per your requests.
+By Air: If the goods will be shipped by air, all the magnetic should be degaussed and we will use Iron sheet to shield.
+By Sea: If the goods are will be shipped by sea, we will place a pallet on the bottom of cartons.

Express (TNT, DHL, FedEx, UPS, etc), Air, Ocean.
a: The weight is under 40Kgs, we recommend to send them in shielding boxes to you by Express.
b: The weight is between 40Kgs-100Kgs, it can be sent by Express or Air.
c: The weight is over 100Kgs, we recommend to send them by Ocean