SW Kelly bar
In 2020,the groundbreaking ceremony of Xi'anMetro Line 16 All of Sw kelly bars
In 2020,the groundbreaking ceremony of Xi'anMetro Line 16 All of Sw kelly bars
In 2005,Beijing-tianjin high-speed railway jobsite
SW friction Kelly bar SW/MZ406-5x13 Drilling rig: Soilmec R518 Drilling depth 60m
In 2005,Beijing-tianjin high-speed railway jobsite
SW friction Kelly bar SW/MZ406-5x13 Drilling rig: Soilmec R518 Drilling depth 60m
In 2006,Zhengzhou-Xi'an high-speed railway jobsite
SW friction Kelly bar SW/MZ406-5x15.8 Drilling rig: Bauer BG22 Drilling depth 72m
In 2006,Zhengzhou-Xi'an high-speed railway jobsite
SW friction Kelly bar SW/MZ406-5x15.8 Drilling rig: Bauer BG22 Drilling depth 72m
In 2006,Zhengzhou-Xi'an high-speed railway jobsite
SW friction Kelly bar SW/MZ406-5x14 Drilling rig: CMV TH20 Drilling depth 65m
In 2006,Zhengzhou-Xi'an high-speed railway jobsite
SW friction Kelly bar SW/MZ406-5x14 Drilling rig: CMV TH20 Drilling depth 65m  In2010,Zhengzhou Yellow-River bridge jobsite SWfriction Kelly barSW/MZ508-6x18.7 ,Drilling rig: XCMG XR360 SW/MZ508-6x17.6, Drilling rig: NSR TR360 SW/MZ470-6X16.5, Drilling rig: YUTONG YTR260 Max-holediameter: 2m Max-drilling depth: 105m  In2016,Yunan jobsite SWinter-locking Kelly bar SW/JS575-4x22 Drilling rig: SWDM45 hole diameter. 2.5m drilling depth: 83m
In 2006, Nanjing jobsite
SW inter-locking Kelly bar SW/S406-4x14 Drilling rig: Jintai SD22 Drilling depth 52m
In 2006, Nanjing jobsite
SW inter-locking Kelly bar SW/S406-4x14 Drilling rig: Jintai SD22 Drilling depth 52m
In 2021, Yangtze river bridge jobsite
SW inter-locking Kelly bar SW/JS575-5x20 Drilling rig:Zoomlion ZR360 hole diameter. 2m drilling depth:80m
Hubei Shishou bridge jobsite
SW friction Kelly bar SW/MZ470-5X25 Drilling rig: Bauer BG38 Hole diameter:2m Drilling depth:120m
Malaysia jobsite
SW inter-locking Kelly bar SW/JS394-3x14.5 Drilling rig:Casangrande B275XP
Guangdong Zhuhai jobsite
SW friction Kelly bar SW/MZ575-6X17.5 Drilling rig: Sany SR385 hole diameter: 2 m drilling depth: 95m
Guangdong Zhuhai jobsite
SW inter-locking Kelly bar SW/JS575-5x22 Drilling rig: NSR TR460 Hole diameter:2.5m Drilling depth:102m
Guizhou jobsite
SW inter-locking Kelly bar SW/JS575-5x19 Drilling rig:XCMG XRS1050 hole diameter:2m drilling depth:85m
Maldives jobsite
SW friction Kelly bar SW/MZ530-6x17.6 Drilling rig: NSR TR360 hole diameter: 2 m drilling depth:90m |
