1.punching metal tube : 

 the most common form of perforated material because of its versatility and ease in handling, perforated sheets can be supplied either as flat, fabricated, and finished product. Typically produced from coil, perforated metal sheets can be produced in widths up to 60" and in any length (typically under 250" for shipping purposes).

 2:materials:

stainless sheet, aluminum sheet, galvanized sheet and other materials.

3.perforted metal types:round, square, rectangular and other specal types

4.features:

* Attractive appearance
* A variety of modern styles
* Superior abrasion resistance
* Can be readily formed
* Can be painted or polished
* Easy installation
* Largest selection of hole size pattern and configurations
* Uniform sound abatement
* Excellent long service life and durable structure

 5.Specifications

the following is common size ,of course we can make special size at your request

6:Applications:

* Dryer drums

* Speaker covers

* Automotive grills
* Exhaust components

* Airplane engine silencers

* Grain dryers

* Microwave ovens

* Window and door security screen
* Architectural decorative ceilings and facades

 The packing usually is pallet or wooden box to avoid damage or deformation to the product. Of course, we can make packaging according to your requirement.