Melting copper binding mode of the cylinder sleeve, repair method is as follows: The ground rods, roller hydraulic repair, manual or mechanical grinding repair cylinder bore; with coordinates boring machine, hydraulic repair, re-boring the cylinder hole; the use of reamer repair cylinder hole. The use of "surface engineering technology" for self-absorbing type piston pump, hydraulic repair phone, hydraulic oil tank must not fall below the lower limit of the oil standard, to maintain a sufficient number of hydraulic oil. Cleanliness of hydraulic oil higher, longer pump life. Hydraulic Repair, Xi'an Chengtong hydraulic repair, hydraulic repair factory Xi'an Chengtong hydraulic maintenance Limited. Hydraulic Repair, Xi'an Chengtong hydraulic repair, hydraulic repair factory in Xi'an Chengtong hydraulic maintenance Limited (www.xayeya.com) (www.xayeya.com) this year introduced a new upgrade, the above picture is for reference only, please dial this Tel pages or pictures on obtain the latest information, contact: the money work.