Therefore, he and his wife, Mrs. Duong Thuy Cam Tu, graduated from faculity of processing and preserving agricultural products, Ho Chi Minh University of Agroforestry went to Lam Dong and Lam Phuoc to learn about safe vegetable cultivation techniques.

In Binh Phuoc, he has been enthusiastically guided by friends at Nguyen Khang clean vegetable cooperative and technology transfer. After mastering the technique, in February 2017, he and his wife started to build the nethouse and the water supply system on the area of ​​1.000 m2, the initial cost is 1.2 billion VND. After a period of testing, re-done many times, in September 2017 as the perfect equipment, his model of clean vegetables was formed and put into operation.

In terms of cultivation techniques, he has applied two different models. A model planted on the plane of the plate occupied quite large area. The second model is an A-shaped, high-to-low, 10-tube plastic 90. This model grows more trees, higher productivity.