A continous feedering system to realize the formula production. Whole system is built in one unit, enclosed one twin-screw loss-in-weigh feeder for power feeding, and one easy-clean flexible container loss-in-weigh feeder for additive feeding, and two set of single screw loss-in-weighing feeder for pellets feeding, As well as 3 set of vacuum loading system are build in for powder and pellets upload to feeders. The unit is equipped with four side panels to prevent dust leaking out, again, it is easy to clean. The unit is designed for plug and play, all-in-one design makes it is easy to ship, install, and kick off to running. Economic price lets more factory could enjoy it.