1) Seamless Condenser and Heat-exchangers tube series: Admiralty brass tube (Hsn 70- 1/C44300/CUZn28Sn1AS) and Aluminum brass tube(HAI 77-2/C687000/CuZn20Al2As) etc.
2) Seamless copper-nickel alloy tubes for condenser and Heat-exchangers tube series: BFe 10-1-1/C706000/CuNi10Fe1Mn, BFe 30-1-1/C71500/CuNi30Mn1Fe and other copper-nickel alloy tubes;
3) Seamless Brass tube and Arsenical brass tube series: C26130, C26000, C27000, C27200, C28000 and other copper-nickel alloy tubes are widely used in sanitary ware, antenna, decoration, sationery, copper standard compontent, etc
4) Copper pipe and tube series: T2/C 11000/C102. TP2/C12200/C106 and other copper tubes.
Also can supply SB 111 C 715, SB 111 C706 etc.
5) OD; 5-80mm
6) WT: 0.5-10mm
7)Test: Automatic Eddy Current Testing, Hydrostatic, Air Pressure test, Hardness testing, Grain size testing, Universal Material Test.
1) Seamless Condenser and Heat-exchangers tube series: Admiralty brass tube (Hsn 70- 1/C44300/CUZn28Sn1AS) and Aluminum brass tube(HAI 77-2/C687000/CuZn20Al2As) etc.
2) Seamless copper-nickel alloy tubes for condenser and Heat-exchangers tube series: BFe 10-1-1/C706000/CuNi10Fe1Mn, BFe 30-1-1/C71500/CuNi30Mn1Fe and other copper-nickel alloy tubes;
3) Seamless Brass tube and Arsenical brass tube series: C26130, C26000, C27000, C27200, C28000 and other copper-nickel alloy tubes are widely used in sanitary ware, antenna, decoration, sationery, copper standard compontent, etc
4) Copper pipe and tube series: T2/C 11000/C102. TP2/C12200/C106 and other copper tubes.
Also can supply SB 111 C 715, SB 111 C706 etc.
5) OD; 5-80mm
6) WT: 0.5-10mm
7)Test: Automatic Eddy Current Testing, Hydrostatic, Air Pressure test, Hardness testing, Grain size testing, Universal Material Test.
Spiral fin tubes are a specialized type of heat exchanger tube designed to enhance heat transfer efficiency. Unlike traditional straight fin tubes, which have fins arranged parallel to the tube surface, spiral fin tubes feature helical or spiral-shaped fins wrapped around the tube.
Fin tubes are essential components in heat exchangers and other thermal systems. They are designed to enhance heat transfer efficiency by increasing the surface area available for heat exchange. These tubes are commonly used in applications such as air conditioners, boilers, radiators, and cooling systems, where effective heat dissipation or absorption is crucial.
Fin tubes are widely used in heat exchangers to enhance heat transfer by increasing the surface area available for heat exchange between fluids. They are especially efficient in applications where effective heat dissipation is critical, such as in industrial cooling systems, HVAC systems, and power plants.
Fin tubes are essential components in heat exchanger systems, designed to enhance heat transfer efficiency by increasing the surface area for heat exchange. These tubes, which feature extended fins wrapped around the core tube, allow for better thermal conductivity between the fluid inside the tube and the external environment
Fin tubes are essential components in heat exchangers, designed to enhance heat transfer efficiency by increasing the surface area available for thermal exchange. Typically used in systems where heat dissipation or absorption is critical, fin tubes are widely found in industries such as power generation, HVAC, and chemical processing.
Suzhou Graceland Trading Co., Ltd. is a foreign trading company established in 2004, distributing industrial & household metal products directly from local manufacturer to all around the world. Based on our established relation and direct access to various mills and stockholders worldwide, thus, it





