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CASE:  Jiuhua mountain tunnel | Shanghai-Nanjing expressway | High-speed rail | Nanjing subway | Nanjing Yangtze river tunnel | Xuanwu lake tunnel
 Board
 Pipe
 Sectional material
 Deformed Steel Bar
 Stainless Steel Special Steel
 Alloy steel—bar
 Bearing steel
 Die steel
 Cold heading steel wire
 Frozen steel wire
 Carbon plate
 Alloy structural steel
 Pipe
 High quality carbon structural steel
 Low alloy plate
 Spring steel
 Free cutting steel structure
 Special Steel
 Rail steel
 Tool steel
 Copper
 Alloy steel
  PRODUCTS
Pipe
Stainless Steel pipe
Stainless Steel pipe
seamless tube
seamless tube
galvanized tube
galvanized tube
High-pressure boiler tube
High-pressure boiler tube
Welded tube
Welded tube
Fluid seamless tube
Fluid seamless tube
Spiral pipe
Spiral pipe
Square pipe
Square pipe
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