Gansu Academy of agricultural Sciences has a vegetable base, and grow a lot of vegetable in it, but it's hard to resolve this vegetable's irrigation. Some times forget the irrigation time or water too more and too less.

So, they want a auto irrigation system for this vegetable base, and find some information on website. They find our auto irrigation controller when search on search engine. See our auto irrigation controller use moisture to control open/close magnetic valve, powered by solar battery, no need for human to operate, greatly reduced operating labor cost.