Dairy owner Jian Xiang Zhou was injured during a robbery in September 2017 when he was attacked with a hammer.
A woman who went to his aid was also injured in the attack and both victims required stitches.
The community rallied to support the family with gifts, flowers and a givealittle page while former Whanganui man Andrew Slight donated a security camera which was installed in October 2017.
The dairy owners did not wish to comment on the latest robbery.
Anyone with information that might assist the police in relation to the robbery should call Whanganui Police on 06 349 0600 or Crimestoppers on 0800 555 111.