中文
Português
Русский
Español
English
Home
ABOUT US
Quality
Cooperative Partner
Products
Butt Welding Pipe Fittings
Forged Steel Pipe Fittings
Forged Flanges
Weld Neck Flange
Blind Flange
Slip On Flange
Lap Joint Flange
Socket Weld Flange
Threaded Flange
Plate Flange
Orifice Flange
Spectacle Blind Flange
Weld Overlay Cladding Flange
Flanged Pipes & Fittings
Steel Pipes
Seamless Steel Pipes
Welded Steel Pipes
Casing And Tubing Pipes
3LPE & 2LPE & EPOXY coating pipes
Accessories
Gaskets
Stud bolts and nuts
News
Company News
Markets Price
Certificates
Product Standards
ANSI/ASME Standards
API Standards
ASTM Standards
European Standards
Contacts
 Home
»
News
What is an anchor flange?
2019-04-01 9:06:46
Views:7778
Introduction of reducing flange
2019-03-29 8:02:31
Views:3208
A good chance for your piping products order
2019-03-28 8:40:04
Views:2267
Haihao Group will attend NEFTEGAZ 2019
2019-03-22 8:37:07
Views:2698
HEBEI HAIHAO GROUP will attend the 8th Tube China
2018-08-28 1:23:34
Views:2518
Water reclamation plant with cement lining
2018-08-23 2:46:04
Views:2900
ASTM A179 Boiler Pipe
2018-08-02 9:04:21
Views:2793
Haihao Group offer excellent piping solutions for sewage treatment project in Iraq
2018-07-26 1:05:54
Views:2458
Hydrostatic test for pipeline
2018-07-25 1:33:44
Views:2604
The definition and advantage of 3PE
2018-07-09 6:43:36
Views:2883
Our company estimate the impact of new investigation from US
2017-12-14 3:38:55
Views:3009
US start antidumping investigation of stainless steel flanges from China
2017-12-12 8:05:27
Views:2779
How to use ASTM A403 WP321H steel pipe fitting?
2017-11-24 6:01:18
Views:2308
What is ASTM A403 WP321H steel pipe fitting?
2017-11-20 8:57:42
Views:2485
How to use ASTM A403 WP321 steel pipe fitting?
2017-11-06 8:18:15
Views:2739
What is ASTM A403 WP321 steel pipe fitting?
2017-10-30 8:25:23
Views:3606
What is the difference between stainless steel ASTM A403 304 304L 304H pipe fitting?
2017-09-25 6:31:42
Views:5926
How to use ASTM A403 WP304H steel pipe fitting?
2017-09-21 7:17:51
Views:2296
What is ASTM A403 WP304H steel pipe fitting?
2017-09-20 3:10:19
Views:2181
Brazil extends antidumping duties on steel pipes from China to 2022
2017-09-15 3:42:15
Views:2847
HOME
PREV
36
37
38
39
40
NEXT
LAST