Street Address: Zhangzhou Er Road
City: Qingdao
Province: Shandong
Country/Region: China
Size:OD 6mm
USA
All follow ISO 15500-16-2001 standard.
Updated equipment & advanced workmanship & mature and stable
production line.
Strict quality-monitoring system, 9 steps inspection procedure
from manufacture to leaving factor.
Select prime materials of copper/steel and produce metal tubes
by ourself.
Every pc of metal tube should pass 5 min pressure testing under
35-40Mpa before coated with PVC.
7 proportion samples from the bulk production must pass 3min
under 85-100Mpa testing.
Products obtain good reputation & & feedbacks around the world