Good Quality Prop Nut with Galvanized Surface

Inspection:  

in-house and third party
All the products are strictly inspected by operator and skilled QC with record put down.

Universal inspection tools:  three-coordinates measuring machine,hardness tester, Height ruler, Depth ruler, Outside ruler, Venire Caliper, etc.

Packing:

Crate or Plywood Case or as Customers' Request.