With low-carbon emission reduction“Guo Si”The era was officially unveiled，Zoomlion National IV Rotary Drilling Rig Speeds to All Parts of the Country，Fast-forward for green infrastructure。December fourth，Zoomlion New National Grade IVGSeries rotary drilling rigZR420GWSuccessfully delivered to Shandong customers，More models of China IV new products are also being shipped one after another.。

▲Zoomlion National Science and Technology Corporation IVGSeries rotary drilling rig delivered to Shandong

It is understood that，Pressurized model of the fourth national winchZR420GWDelivered to Anhui Taifang Construction Engineering Co., Ltd.，The company is working with Zoomlion on rotary drilling rigs.、In-depth cooperation has been carried out in the application fields of full-casing and full-slewing drilling rigs and other equipment.，This equipment will participate in the construction of Jinan West Railway Station Transportation Hub Project.。

“ZR420GWRotary drilling rig as weGSeries product representative，Strong construction capacity of large piles、And that construction stability is high、Powerful、Good handling performance、Flexible transfer and other highlights，The applicable scenarios are very extensive.。Facing large diameter pile hole、Hard rock、Deep pile construction and other typical working conditions，With high power、Large displacement、High Torque、Large pressure and other advantages，ZR420GWWill contribute to strong and lasting performance。”Zhu Changlin, director of Zoomlion Rotary Drilling Rig Product Research Institute, said.。

According to introduction，ZR420GWThe installation is simple，And that construction is convenient，Its power head has a pressure stroke of 13 meters.，It can integrally pressurize the casing with a length of more than 10 meters.，And can be expand into that construction of a long spiral drilling bucket.，It can form a pile hole more than 10 meters deep at a time.，No need to lift the drill back and forth、Down drill，And greatly improve that construction efficiency.。

On this basis，ZR420GWPressurized self-adaption is also optional.、Floating Pedal，With steel wire rope pre-tightening、720-degree full-viewing angle stereo monitoring、Cell phoneAPPPush device information and other functions。

  

▲Zoomlion National Science and Technology Corporation IVGSeriesZR420GWRotary drilling rig

At present，Aiming at the Fourth National New Standard，Zoomlion Rotary Drilling Rig Fully Renovated，Has been launchedZR180G、ZR240G、ZR360G、ZR420G-Ⅱ、ZR420GW、ZR420GPSixGSeries of China IV new products，“BigG”The type spectrum is outstanding.。

Among，ZR240GIt is also delivered to customers in Yibin, Sichuan in the near future.，As a section“Use both carrot and stick”A sharp weapon for housing construction，It uses a high speed power head.，With low pressure loss system，Soiling is fast and fuel-efficient.。“This one is bigGThe performance is strong enough，Actual combat effect is also good.，Win the fourth country and see it.！”The customer was very satisfied with the performance of Zoomlion's fourth rotary drilling rig.。

  

▲Zoomlion National IV Rotary Drilling RigZR240GDelivered to Sichuan

With“Guo Si”Switch to node，Zoomlion Foundation Construction Machinery Is Accelerating ImprovementGProduct type spectrum of series rotary drilling rig，Strive to become a total solution expert in the foundation construction industry，Help customers win the fourth new era of the Warring States。