Chapter 242: Medicinal Herbs Whose Prices Will Soar in a Few Years
Lin Heng had also stayed in Ancheng before and knew where the machinery factories were, but he couldn’t go directly there, as that would seem very strange.
However, making inquiries was also very easy, and soon they arrived at the largest Hongxing Machinery Factory in the northern part of the city. The variety of machinery produced inside this factory was extremely extensive.
As soon as Lin Heng entered, a middle-aged man came over to receive them. Seeing that Lin Heng and the other two were so young, he was somewhat surprised.
“May I ask what kind of machinery you three need to purchase?” the middle-aged man inquired with a smile.
Lin Heng glanced at him and asked, “Do you have large aerators for fish and shrimp farming?”
“Of course we do. Please come with me,” the middle-aged man nodded with a smile and led Lin Heng into the workshop.
The principle of a large aerator was very simple: an electric motor drove an impeller to rotate in the water body, generating a large number of bubbles, which allowed the water and air to fully contact each other, thereby allowing oxygen to better dissolve into the water body.
“The aerators produced in our workshop are mainly floating types, meaning they float on the water surface. According to power, there are four models: seven hundred and fifty watts, one thousand five hundred watts, two thousand two hundred watts, and three thousand watts. They are also divided into two types: two hundred twenty volts and three hundred eighty volts. They can function on water bodies of different areas. They are guaranteed for replacement within three years and for repair within five years.”
After finishing his introduction, the middle-aged man smiled and inquired again, “Which model would you like to buy?”