... should meet with the design condition of the irrigation system, the quality of the water should meet with the ... of the local government. 1) Dripping Irrigation System 2) Upside Down Irrigation System Contact information Contact person: Mr. Steve,Qin ... building, No.12, Zhong Guan Cun South Street, Hai Dian District, Beijing 100081Tel:+86-10-62197238, 62192785, 62192440Mobile phone: 13911840389Fax: ...