• 

  Causes of pipeline corrosion

  2019-04-29 9:38:36 Views:2581
• 

  What is sandblasting and its application

  2019-04-28 9:16:20 Views:4695
• 

  Introduction of plug

  2019-04-26 9:35:33 Views:2495
• 

  Notes before purchase large diameter seamless pipe

  2019-04-19 13:30:22 Views:2034
• 

  The difference between welded steel pipe and seamless steel pipe

  2019-04-17 14:21:24 Views:5206
• 

  Difference between duplex stainless steel and ferritic stainless steel

  2019-04-11 9:51:45 Views:2514
• 

  Haihao Group attended in CIPPE

  2019-04-09 9:30:58 Views:2468
• 

  What is the advantage of stainless steel elbows?

  2019-04-04 6:24:21 Views:8294
• 

  Pipe fittings with high strength sunscreen and anti-corrosion coating finished in Haihao Group

  2019-04-03 8:32:00 Views:2144
• 

  What is an anchor flange?

  2019-04-01 9:06:46 Views:6875
• 

  Introduction of reducing flange

  2019-03-29 8:02:31 Views:2641
• 

  A good chance for your piping products order

  2019-03-28 8:40:04 Views:1901
• 

  Haihao Group will attend NEFTEGAZ 2019

  2019-03-22 8:37:07 Views:2221
• 

  HEBEI HAIHAO GROUP will attend the 8th Tube China

  2018-08-28 1:23:34 Views:2107
• 

  Water reclamation plant with cement lining

  2018-08-23 2:46:04 Views:2495
• 

  ASTM A179 Boiler Pipe

  2018-08-02 9:04:21 Views:2346
• 

  Haihao Group offer excellent piping solutions for sewage treatment project in Iraq

  2018-07-26 1:05:54 Views:1991
• 

  Hydrostatic test for pipeline

  2018-07-25 1:33:44 Views:2068
• 

  The definition and advantage of 3PE

  2018-07-09 6:43:36 Views:2425
• 

  Our company estimate the impact of new investigation from US

  2017-12-14 3:38:55 Views:2472