News
- 120 pcs hot induction bends are arranged heat treatment in Haihao pipe fitting factory2015-11-24
- Most Common Steels Used in Process Piping Industry2015-11-11
- Hebei Haihao pipe fitting factory finish the aerospace fuel piping systems order2015-11-07
- Hebei Haihao pipe fitting factory provide packing as per client requirement2015-11-03
- Japanese steel makers are facing whammy2015-11-01
- The most hardworking client of 2015 visited Haihao Pipe Fitting Factory2015-10-20
- The hot induction pipe bends order finished in Haihao Group2015-10-19
- Summit Natural Gas is going to re-check the pipe fittings in their pipeline2015-10-16
- Steel pipe fittings material and production2015-10-09
- Pipe fitting manufacturing processing methods2015-10-02
- How to identify the quality of butt welding steel pipe fitting2015-09-27
- Types of steel pipe fittings2015-09-26
- The product feature about carbon steel pipe fittings2015-09-19
- Chinese Wind Power Flange Industry2015-09-18
- Pipe fittings product design drawing2015-09-12
- Haihao Group offer steel pipe fitting and flange products2015-09-02
- How to make the pipe fittings more resistant2015-07-12
- Several questions need to pay attention to when buy pipe fittings2015-07-04
- Haihao finished new flanges and pipe fittings order for Austrilia chemical project2015-06-05
- Selection guide on pipe fitting product2015-04-13