[Tianjin-strong high-pressure pump Co., Ltd. to recommend Star Products] 1, before the high-pressure jet grouting construction, Qiqihar swing spray rig, you must have a complete engineering geological survey data and engineering nearby pipelines, buildings, structures and other public facilities construction, when groundwater flow faster, should conduct a special hydrogeological investigation. 2, when the abnormality occurred during construction, should immediately stop the construction, supervision or construction units of the organization by the survey, the unit design, construction, and other common analysis, swing spray rig wholesale, solve problems, put spray rig prices, eliminate quality problems, and can continue to be formed after the construction documents. 3, should be carried out before the official construction site injection test to determine the proper construction parameters [Tianjin-strong high-pressure pump Co., Ltd. to recommend the star product]