天津市惠利丰防腐保温钢管有限公司 Tianjin Huilifeng Anti-corrosion And Insulation Steel Pipe Co,.Ltd.
Seamless pipe coating application specification
Inspection And Test Plan 检验和实验计划( ITP)
No. Hlf2011-********-01-01
SPECIFICATION: NFA49709/ DIN 30670 (and the reference documents from ********)
COATING THICKNESS: 120 MILS
PIPE SIZE: ************
COATING APPLICATION: 3 LAYER POLYETHYLENE
I: Inspection(检验 ) W: