This super long stoke jack applied in various pre-stressed works, and used widely in bridge deck lifting, water tower buliding. Double-acting hydraulic lifting jack QR-Jack-Lift applied in various pre-stressed and comment reinforce cements constructing works. It used widely in...

Fabricate the corrugated galvanized corrugated metal tube directly in construction site, which convenient and save the cost. The QR-DM I duct machine was used widely on site or factory, due to the feature of small volume, compact structure, high efficiency and simple operating....

QR jack's guide pipes were designed guiding pc strands go through in the internal,wedge on pallet can clamp strand automatically QR company draws on top technologies of jack manufacturing , integrating various advantages. And keep improving the operational of the jack by...

QR core through jack can be used with various anchorage(7~19holes) with light weight as strands can put through inside freely. QR company draws on top technologies of jack manufacturing , integrating various advantages. And keep improving the operational of the jack by listening...

Designed as Fore-Cramp core through streeing tool, clamp the strand in front of head, decline the reserved lenght of the strand. QR26ton jack designed as Fore-Cramp core through streeing tool, clamp the strand in front of head, decline the reserved lenght of...