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
News
Company News
Markets Price
Certificates
Product Standards
ANSI/ASME Standards
API Standards
ASTM Standards
European Standards
Contacts
 Home
»
haihao
Looking back at 2022, gathering strength, looking forward to 2023, forge ahead !
Shipping piping products for Qatar customers
Alternative method of hydrostatic test
The situation that industrial pipelines cannot be subjected to hydrostatic testing
Customers purchase H-beam steel
New opportunities – Mozambique customers
Orders for swage forgings made of A182 F53
2022 China Marine Economy Expo opens in Shenzhen
Haihao Group Brings Piping Products to the 2022 China Marine Economy Expo
Shipping for UAE customers
Haihao Group was invited to attend the 2022 SSNAME Academic Conference
New Opportunities for Nuclear Power Development
Haihao Group will attend the 2022 China Marine Economic Expo in November
Delivery of elbow and other piping products customized by British customers
Deliver seamless steel pipes to Indonesian customers
Shipping for Qatar customers
Welding requirements for split tee
The factory still delivers goods before the National Day
Differences between argon arc welding and electric arc welding
TENSION ROD 20 WITH TWO NUTS
The difference between API 5L and API 5CT pipe
A batch of pipeline goods were sent to the Iraqi oil project
Haihao continues to advance in adversity
New partner SEMBCORP industry in Singapore
HOME
PREV
18
19
20
21
22
NEXT
LAST