This water filling machine is used for the production of PURE WATER. The package material can be PET bottle, heat-resistant PET bottle, glass bottle and so on. The bottle volume can be 250ml, 300ml, 500ml, 1L, 2.5L and so on. The replacement of parts achieves the variety of kinds and specifications. The SD-RXGF type equipment can also form complete set with automatic bottle-standing machine, sterilization machine, PURE WATER pre-treatment machine and so on.