Company is the one of main company of enterprise which formulate country standard"GB / T 24187-2009" cold draw precision single welded steel tube and "GB/T 34020.1-2017" double wall copper-brazed steel-tubes and industry standard "YB/T4164-2007"double-layer copper welded steel tube .The company has passed ISO9001 quality management system and ISO14000 environmental management system certification.
As one of the standard chief editors,the national standard for drafting GB/T24187-2009 cold drawing precision single layer welded steel pipe（2009）was formulated.National standard GB/T34020.1-2017 double layer welded steel pipe,complete the national standard full coverage of the domestic pipeline.
No Coated Steel Bundy Tube / Condenser Tube 8 X 0.7mm for refrigeration
Plain Steel Bundy Tube With Antirust Oil For Refrigeration System
8* 0.65 mm Copper Coated Steel Bundy Tube With Standard Of GB/T 24187-2009
Evironmental Low-Carbon Galvanized Steel Tube , Hot Zinc Coated 4.76 × 0.55mm
Zn Colored-Plating Galvanized Steel Tube / 4mm × 0.5mm galvanized steel pipe
Hot Galvanized Steel Tube , Zinc Coated Bundy Tubes 4mm X 0.5 mm
Steel Copper Coated Tube , Welded Bundy Pipe 6.35mm X 0.65 mm
Copper Coated Bundy Tube 8mm X 0.65 mm For Cooling System
Round Copper Coated Bundy Tube 8mm X 0.5 mm , 25% Elongation