- set of bolts
- 2016-10-28 14:19
- There are only 4 sets of roundness bolts used in chop direction to fix the flanges whether different diameters calibers
- high pressure pipeline
- 2016-10-22 10:59
- high pressure pipeline:1.DN15-DN6002.PN50MPa3.Material according to the work condition4.National Product Parter