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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

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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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HS Premium Connection,Non API OCTG,Pipe For Ship and vessel

Pipe for Gas Cylinder

Implement specifications GB 18248 and GB28884. Products are used for the manufacture of firefighting gas cylinder, industrial gas cylinder and vehicle-borne gas cylinder.

Variety	Size		Steel grade	Specification	Typical application
	OD(mm)	WT(mm)
Gas Cylinder	51.00~720.00	3.50~120.00	37Mn	GB/T18248 GB/T28884	oxygen bottle, hydrogen bottle, natural gas bottle . accumulator
			30CrMo, 30CrMoE
			35CrMo
			34CrMo4
			42CrMoE
			4130X
			4145, 4147