Products
- Client inspect tube sheets quality and production in Hebei Haihao Group2016-12-27
- JIS B2220 Slip On Hubbed Flange2016-12-26
- The tolerance about JIS B2220 flange products2016-12-23
- JIS B2220 Slip On Plate Flange2016-12-20
- What are JIS B2220 flanges products2016-12-16
- The introduce of JIS B2220 products2016-12-13
- Canada will keep the anti dumping tax on tubular goods pup joints made in China2016-12-08
- How to reduce the risk of intergranular corrosion and test it2016-11-03
- The standards and methods for intergranular corrosion test2016-11-01
- What is intergranular corrosion in metal material?2016-10-31
- SGS carried out intergranular corrosion test to stainless steel elbows of Haihao Factory2016-10-28
- ASME B16.11 A105 SCH40 1/2″-72″ Butt Weld Equal Tee2016-10-27
- Hebei Haihao technical department communicates with JOINTECH Pakistan2016-10-27
- Hebei Haihao Group finished the IBR certificated steel pipe fittings2016-10-26
- The IBR certificate approving process in Haihao Pipe Fitting Group2016-10-24
- How the steel pipe fittings get approved IBR certificate?2016-10-20
- ASME B16.28 A105 SCH40 Class2000 90 Degree Elbow2016-10-20
- Haihao Group showed products in Tube China 20162016-10-19
- Tube China Fair 2016 was held in Shanghai 25th September2016-10-18
- NDT test methods used for piping products2016-10-17