You should not Geothermal construction and other types of cross operation.

　　After the construction area clean the ground flat, no bare steel, water pipeline and any influence to the construction of equipment, materials, and other debris.

　　You can not be trampled and the weight of extruded tube.

　　heating floor area more than 30 square meters or length of more than 6m, filling layer should be set spacing less than 6m, a width of not less than 8 mm telescopic seam, slot filled elastic materials or high foaming polyethylene foam expansion, and separated from the expansion bars.

　　]the test pressure is 1.5 times the working pressure, and should not be less than 0.6MPa, in the pressure test, 1H regulator, pressure drop does not exceed 0.05Mpa for acceptance.