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The world's strongest ultra-deep water drilling platform—Blue Whale One
Chinese first state-owned deep-water gas field——Linshui17-2 gas field
The world's longest sea-crossing bridge——Hongkong-Zhu hai-Macao Bridge
The first deep well on land in Asia——Luntan Well One
The world's first R-55D type of self-elevating drilling platform
The most challenging drilling conditions' oilfield——Tarim field
The biggest earth pressure balance shield in the world
The world's biggest convention and exhibition center——Shenzhen international Convention and Exhibition Center
The world's highest coal machine hydraulic support
The world's best all-terrain crane——Jiuqiao all-terrain crane with biggest lifting capacity of 1E00 tons
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Product description:(API5L B PSL1 SSAW external & internal FBE coated AWWA C213 323mm, 762mm , 370pcs)
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