Wespray Boomsprays are engineered and built in Wongan Hills to suit the unique needs of local farmers. Designed with durability, ease of use, and serviceability in mind, each Wespray unit is custom-made to help make spraying season smoother, faster, and more efficient. At Wongan Engineering, we build boomsprays you can rely on, because we know how important it is to get the job done right the first time.