HJW-900 model is on the basis of HJW-851 series model and to be professional improvement and innovation,increasing a flat warp beam，thereby it makes a wide use in fabric more color, 

organization and density. The speed,efficiency,stability also have overall improvement. This type can match eletronic weft storage device, multi-jet,cam openings devices,dobby opening device.

 The double beam water jet looms generally use for making fabric when two warp yarns have different nature or yarn tension. It can also use for making the fabrics

 which require big volum warp yarn. The up and down type double beams machines has advantage of taking less space, you can put more machines in the same area 

workshop, save weaving cost and increase the fabric production.

   The up and down type double bem water jet looms,mainly consist of let off system, shedding system,filling insertion system,beating system and take up system. The

 feature of above model is having two sets let off system, one is under the loom, another one is on the upper of loom and parellel to the first beam.