LongJia is located in Anping county which well knowen of "The LongJia of Screens in China", emerged from Anping griddle screen factory in 1998 with a founding of 5 million Yuan. It has a comparatively long history, a large scale production rate, and it is the only company among others in the same profession to have been certified by the IS0:9000 quality system authentication.

For several years we never stop innovating and improving ourselves, we have introduced the advanced production line, collected the massive engineering research and managerial talent, now company moves to the wire mesh industry zone, takes up six thousand square meters.

Casing Pipe, Slotted Liner, Bridge Slot Screen, Sand Control Screen, Resin Trap, Sieve Bend Screen, Header Hub Lateral, Filter Nozzle, Candle Filter Screen, Rotary Screen, Johnson Screen, Wire Wrapped Screen, Well Screen, Wedge Wire Screen, Flat Wire Screen, etc