Copper coil is a highly stable, low-maintenance roofing and curtain wall material, environmentally friendly, safe to use, easy to process and extremely resistant to corrosion.

Copper coil is a highly stable, low-maintenance roofing and curtain wall material, environmentally friendly, safe to use, easy to process and extremely resistant to corrosion.

Copper coil is a highly stable, low-maintenance roofing and curtain wall material, environmentally friendly, safe to use, easy to process and extremely resistant to corrosion.

Copper coil is a highly stable, low-maintenance roofing and curtain wall material, environmentally friendly, safe to use, easy to process and extremely resistant to corrosion.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.

Brass has extremely good plasticity (the best among brass) and high strength, good machinability, easy welding, very stable for general corrosion, but prone to corrosion cracking; Brass strip is an alloy of copper and zinc, named after its yellow color.