A warp-knitting machine (1) comprising a unitary supporting structure (2), at least one needle bed (3) mounted on the unitary supporting structure (2), at least one thread-guide bar (4) for feeding yarn to the needle bed (3), mounted on the unitary supporting structure (2), a yarn feeding device (5) to the thread-guide bar (4) and to the needle bed (3); and electric and electronic devices (6) for the operation of the warp-knitting machine (1), the electric and electronic devices comprising at least main electronic devices (8) for the operation of the warp-knitting machine (1), the main electronic devices (8) comprising at least the power electronic devices and/or the servodrives for piloting the motors of the machine (1) and being mounted on the unitary supporting structure (2).