In recent years, the vegetables and fruits grown up in greenhouse with high price still can not meet demand of people, the price of the vegetables and fruits is becoming a very serious problem and concern. So optimize irrigation, reduce agricultural cost become the development direction of many enterprises, and farmers, so the government too. The auto irrigation controller GG-002B, GG-003A and GG-005 which are developed and manufactured by our company welcomed by most customers among many other similar products. Our GG-003A is choosed by one big customer as their irrigation controller in more than200 agriculture tunnels. In this month, our colleagues went to Hubei to help our customer install our products, after more than 10 days working in high temperature, they finally finished the installation and adjusted the products, successed in first test and past audit by ourcustomer, get customer's high recognition.