Standards:
Q/SYXQ15-2003
API 5L PSL2
GB/T9711.1-1997
GB/T9711.2-1999
ISO 9001:2000
ASME
ASTM

Application:
1. For the crude oil, petrochemical raw material & products transmission and the pipelines in the oil fields.
2. Onshore and offshore long pipeline, gas station trasportation, pipelines in the gas fields and cities.
3. For the transportation of coal and damp coal etc.
4. Piles of warf, structural pipes for bridges and tall buildings, offshore flat.
5. water trasportation, offshore suction and drain pipeline.