उत्पत्ति के प्लेस
Beijing, China
लंबाई
5.8m, 11.8m or other length
Color
white or gray or orange
using area
inside the building concrete structure
bending ability
with a spring bending tool
standard
GB,ISO,AS,NS,BS EN,IEC
special specification
upon clien's requirements
using time
more than 50 years inside the wall