We are a factory, we produce outer casing more then 10 years. we export to Europe, America and the Middle East.
Outer casing data as below:
Diameter: from 4.0mm to 15mm.
DIA of outer casing
color: black, red, blue, yellow green and follow request;
constrution: outer material is PVC and inner material is steel;
our factory capacity 40,000m/day,
delivery time: received deposit after 7 days!