Large tonnage jack features: ■ piston guide portion and the inside of the cap weld copper electric jack, never pull the cylinder, wear strong. ■ cylinder medial line grinding, hard chrome plated piston rod jack, prevent scratching and corrosion. ● high temperature paint separate hydraulic jacks, surface corrosion and impact resistant ● dust ring designed to extend the life of the product. Long idle jack, do not work long-term because the seals caused by hardening of the seal, thus affecting the life of hydraulic jacks, hydraulic jack when not in use so a month to hydraulic jack load reciprocating motion 2-3 times . I am strong technical force, stable and reliable hydraulic jacks, attentive service, its technical indicators are close to or reached the international level. Do a good job pre-sale service to customer interests as the highest interest, electric jack always be your most intimate friend. Nanjing jack, Lu of the hydraulic, electric jack provided by the Texas Lu of the hydraulic machinery plant. Nanjing jack, Lu of the hydraulic, electric jack Texas Lu force hydraulic machinery plant (www.luliyeya.com) this year introduced a new upgrade, the above picture is for reference only, please call the telephone or pictures on this page, for the latest Information, Contact: Lu Jingli.