Here is Lydia from Guangxing Screens, 

Our pipe base Screen is a pipe base wire wrapped screen available in several designs, customized to well demands.These screens are used for deep geothermal wells with stand-alone completions in well sorted formations. We have full stainless designs for corrosive environments, high flow designs for maximum yield and economical friendly designs to meet any budget.
The advanced wire wrapped screen technology provides superior weld strength and accurate slot openings. The accurate V-shaped wires provide free flow and optimal sand control.
A large number of support rods increases tensile strength and achieves rounder and stronger screens.
The screen jacket is fully pickled and passivated for maximum corrosion resistance.
The result is a reliable and robust solution for sand free production in vertical and horizontal wells with gravel pack or stand alone completions.

The SandFree Screen design provides;
Tensile, load, collapse strength
Rotating ability during installation
High corrosion resistance
Very accurate slot opening
Minimum risk cementing up
Uncomplicated installation
Customized design

The design is customized to your demands;
Slot opening from 50 micron up to 2000 micron
All API and ANSI pipe sizes are available
Customized construction:
Lower V-wires for reduced OD
Higher support rods for more standoff
Customized material grades 304/316L/904 etc.
Customized end-fittings and threaded connections
Fixation of screen by welding or shrink fitting of end-rings to the base-pipe

Business range:

Continuous slot wire wrap screen

Bridge slotted well screen

Pipe base screen

Prepacked well screen

API casing pipe

Stainless steel pipe

Perforated pipe

Slot liner

Centralizer

Other water well related accessories