Vietnam is the biggest country of growing and exporting dragon fruit. Binh Thuan is the biggest area in Vietnam. You will see large farms there. Here is the list of biggest companies which are growing and exporting dragon fruit to many countries.
You can also contact 2 other organization located in Binh Thuan for more supports of information:
1. Binh Thuan Trade Promation Department
N0 210 Thu Khoa Huan District, Phan Thiet City, Binh Thuan Province
Tel: 84 62 3810803
2. Binh Thuan Dragon Fruit Association
No 17 Thu Khoa Huan District, Phan Thiet City, Binh Thuan Province
Tel: +84 62 3822861