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- Stright steel pipe Q345,Steel pipe,Seamless steel pipe
- ¢152×4seamless steel pipe /steel pipe
- Q235Stright steel pipe,Spiral steel pipe,Steel pipe
- Q195 Welded steel pipe,steel pipes
- 16Mn Hot Rolled Steel Pipes
- Q235 Galvanized Steel Pipes,Weld pipe
- St45 Galvanized Steel Pipes,Steel pipe
- API 5LSeamless steel Pipes,Steel pipe
- ASTM A106 Seamless steel pipe,ERW steel pipe,Steel pipe
- 20# Thick wall steel pipe,steel pipe
- 20# Spiral steel pipe,steel pipe
- ¢168 Welded Steel Pipes,steel pipe
- ASTM A53 ERW,seamless steel pipe
- Q195 ERW Steel Pipes,Stright steel pipe,Spiral steel pipe
- 45# Seamless Steel Pipes,Steel pipe
- Q195 Galvanized Steel Pipes,Stright seam steel pipe
- ST45 Steel pipe,Seamless steel pipe,Stright steel pipe
- Seamless steel pipe20#.Stright steel pipe,Steel pipe
- ¢32×4 The heat expands steel pipe/steel pipe
- Q235 Welded Steel Pipes
- Q215 Welded Steel Pipes,Stright steel pipe
- GB/T5037 Spiral Pipes,Steel pipe
- Q235 Galvanized Steel Pipes,Steel pipe
- ¢245×6 seamless steel pipe/steel pipe
- Q195 Galvanized Steel Pipes, steel pipe
- St37 Seamless steel Pipes,Steel pipe
- 45# Seamless Pipes,steel pipe
- Q215 Spiral steel pipe, steel pipe
- ¢89seamless steel pipe, the welded pipe
- St45 Seamless steel Pipes,steel pipe
- Q345 Seamless steel Pipes,Steel pipe
- ¢141 Seamless Pipes,steel pipe
- ST35 Seamless steel pipe,steel pipes
- Gb/T3091 The heavy-caliber welded pipe,steel pipe
- Q235 large-caliber thick wall bifilar double-size spiral weldind pipe
- 15GrMo Alloy steel pipe, bifilar double-size spiral weled pipe
- X42 Seamless Steel Pipes,Steel pipe
- API 5CT Seamless Steel Pipes,Steel pipe
- ¢426Seamless steel Pipes
- ST35 Seamless Steel Pipes,Steel pipe
- ST52 Seamless steel pipe,steel pipes
- 20#Steel pipe, Seamless steel pipe
- Q215 Spiral steel pipe, steel pipe
- Q235 ERWSteel pipe,seamless steel pipe
- GB/T3091 Welded Steel Pipes,Stright seam steel pipe
- API Steel Pipes
- GB/T3091 Welded Steel Pipes,Stright steel pipe
- 20# Hot Rolled Steel Pipes
- 20# Seamless Steel Pipes
- Q235 Stright seam steel pipe,Steel pipe
- Q215 ERW steel pipe,Stright steel pipe,steel pipe
- GB/T8163 Spiral Pipes,Weld pipe
- GB/T8163 Seamless steel Pipes,Steel pipe
- ASTM Petroleum pipe, Alloy Steel Pipe, Galvanized steel pipe
- Q215 Galvanized Steel Pipes,weld steel pipe
- GB/T8162 Seamless steel Pipes,Steel pipe
- Weld steel pipe Q195,Stright steel pipe, Steel pipe
- Spiral steel pipe,material Q235,Stright steel pipe
- ¢720×10 seamless steel pipe/steel pipe
- ¢480×8 seamless steel pipe /steel pipe
- ¢108×8 seamless steel pipe/steel pipe
- ¢26×3 seamless steel pipe/ steel pipe
- Q215Galvanized Steel Pipes,Steel pipe
- Q235 Spiral steel pipe,API Steel Pipes
- L80 Petroleum pipe, Steel pipe
- J55 Petroleum pipe,Steel pipe
- K55 Petroleum pipe,Steel pipe
- ASTM A106 Steel pipe,Seamless steel pipe
- ASTM A106 Seamless steel pipe,Steel pipe
- API 5L Steel pipe, Seamless steel pipe
- ¢325 Seamless steel Pipes,steel pipe
- Q345 Seamless Pipes,steel pipe
- X60 Seamless steel pipe, ERW steel pipe,Steel pipes
- Q215 Welded steel pipe,steel pipe
- K55 Petroleum drive pipe,steel pipe
- ST45 Seamless steel pipe,steel pipes
- Q345 Heavy-caliber seamless steel pipe,steel pipes
- ST55Seamless steel pipe,Steel pipe
- API 5LSpiral steel pipe,Steel pipe
- ST37 Weld steel pipe,Stright steel pipe
- ¢550×10seamless steel pipe/steel pipe
- ¢351×7 seamless steel pipe/steel pipe
- ¢299×3 seamless steel pipe/steel pipe
- ¢57×3 seamless steel pipe/ steel pipe
- ¢45×6 seamless steel pipe/ steel pipe
- ¢35×3 seamless steel pipe/ steel pipe
- Q235spiral steel pipe /steel pipe
- Q345Seamless steel pipe,Spiral steel pipe,Steel pipe
- 20# seamless steel pipe, steel pipe
- X52 Seamless Steel Pipes,Weld pipe
- ST55 Galvanized Steel Pipes,Steel pipe
- 16Mn The heavy-caliber welded pipe,steel pipe
- Q235 Spiral steel pipe,API Steel Pipes
- 20# Seamless Steel Pipes
- 20# The high-pressure boilers, thermal expansion steel tube, pipes
- ASTM A53Spiral Pipes,Stright steel pipe
- ST37 Seamless steel pipe,steel pipes
- ST55 Seamless steel pipe,steel pipes
- 20#Hot rolled fluid steel pipe,steel pipes
- ASTM A53 Spiral steel pipe,steel pipe