Company News
- The difference between gasket and washer-what is gasket2019-03-13
- Six common flange gasket used in pipeline-Graphite gasket,Metallic gasket,Spiral wound gasket2019-03-12
- What is a flange gasket? Types of gaskets used in pipeline2019-03-12
- Types of flange insulation gasket kit2019-03-08
- What are flange insulation products?2019-03-07
- Selection of flanges in pipeline-American system2019-03-06
- Selection of flanges in pipeline-European system2019-03-05
- Haihao Group takes samples from forged flanges blank and process test2018-10-23
- Haihao Group perform PMI testing for flanged pipe2018-10-11
- Spectacle flange introduction2018-08-29
- OD 3000mm above big size pipe fittings and flange2018-08-28
- Threaded Flanges2018-08-27
- Pipe fittings and flanges used in power plant restoration project in Serbia2018-08-17
- Van Leeuwen in Middle East Come to Visit Us2018-08-07
- Haihao Group attended the 4th INDONESIA TUBE & PIPE EXPO 20182018-07-30
- Haihao Group offer excellent piping solutions for sewage treatment project in Iraq2018-07-25
- BV test flanges and butt weld pipe fittings in Haihao Group2018-07-16
- Haihao Group will attend 11th International Tube Pipe Trade Fair2017-09-08
- ASTM A350 LF2 steel material2017-07-04
- How to use the ASTM A350 LF2 flanges?2017-06-12