R3/R2/R1 Seamless Steel Casing Tubing Pipe for Oil Drill and Low Price
Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd.Sch40 ASTM A106 Gr. B Carbon Seamless Steel Pipe HS Code
Tianjin Boer King Steel Import and Export Co., Ltd.St52 S355j2h A106 Hollow Round Bars Black Seamless Steel Pipes SS304 SS316
Tianjin Emerson Metal Steel Products Co., Ltd.ASTM A106gr. B Seamless Low Carbon Steel Pipe Boiler Tube
Tianjin Hongxin International Trade Co., Ltd.Galvanized Scaffolding Pipe Construction Steel Tube
Nanjing Wellmade Metalwork Co., Ltd.API 5CT P110 Casing Seamless Steel Pipe
TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.API Seamless Pipe OCTG Casing Tubing - Oilfield Service
Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd.ASTM A36 Galvanized Carbon Steel Pipe Price Per Ton
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.Astma 53 Sch 40 Metallic Sprinkler Pipe Fire Protection System
Tianjin Youfa International Trade Co., Ltd.En 10216-1 P235tr1 Seamless Weathering Steel Pipe
TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.API Steel Petroleum Casing Tubing Pipe - Oilfield Service
Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd.Factory Galvanized Dubai Pipe Scrap Shs / Rhs Steel Hollow Section/ Ms Rhs Shs
TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.Perforated Casing Pipe/Perforated Pipe / Perforated Nipple Eue/Tubing
Tianjin Elegant Technology Co., Ltd.ASTM A53 / BS1387 Thick Wall Galvanized ERW Welded Steel Pipe Price
Tianjin Youfa International Trade Co., Ltd.Round Rectangular Square Hollow Section Black Annealed Carbon Steel Tube
Tianjin Hongxin International Trade Co., Ltd.API 5CT J55 K55 P110 Casing Tubing Seamless Steel Pipe LC/Bc
TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.High Pressure API 5CT Seamless Steel N80 Oil Tubing Well Casing Pipes
Tianjin Boer King Steel Import and Export Co., Ltd.API 5L/ASTM A53 Material Grade B X46 X56 X60 X65 Carbon Steel Welded ERW or Seamless Oil Pipeline
Tianjin Youfa International Trade Co., Ltd.Factory Whole Sale Gi Galvanized Ms Steel Square and Rectangular Tube
Tianjin Hongxin International Trade Co., Ltd.ASTM A519-03 Grade 1021 Seamless Steel Mechanical Structure Tube
TIANCHENG METAL MATERIAL(TIANJIN) CO., LTD.API-5CT Eue and Nue Tubing Pipe (1.315"--4-1/2") Casing Pipe
Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd.Zamak 8 Zamak 5 Zamak 3 Zinc Alloy Ingot with Factory Price
Tianjin Boer King Steel Import and Export Co., Ltd.Galvanized Steel Pipe for Fire Fighting with UL FM
Tianjin Hongxin International Trade Co., Ltd.