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 Pipe jacking machine details: 

 Hydraulic jacking machine is chrome plated plunger, hydraulic retraction, overflow, functional limitations, travel, design, safety packing device to prevent sudden overpressure, the special structure of the jack play multiple protective effects, can withstand partial contained 5% of the negative the Heda hydraulic cylinder rated carrying capacity, high-strength alloy steel durable, especially in large projects, it is easy to operate controls and jacks.